유명한과학교실

<IMG height=44 src="https://img1.daumcdn.net/relay/cafe/original/?fname=http%3A%2F%2Fmy.dreamwiz.com%2Fcis77%2Fimages%2Fscien8.gif" width=44 border=0>   <IMG height=40 src="https://img1.daumcdn.net/relay/cafe/original/?fname=http%3A%2F%2Fmy.dreamwiz.com%2Fcis77%2Fletter%2Fsy1.gif" width=305 border=0> <TABLE style="BORDER-COLLAPSE: collapse" cellSpacing=0 width=587> <TBODY> <TR> <TD style="BORDER-RIGHT: black 1px solid; BORDER-TOP: rgb(255,102,102) 3px solid; BORDER-LEFT: rgb(255,102,102) 3px solid; BORDER-BOTTOM: rgb(255,102,102) 2px solid" width=165 bgColor=teal height=35>          시    약</TD> <TD style="BORDER-RIGHT: black 1px solid; BORDER-TOP: rgb(255,102,102) 3px solid; BORDER-LEFT: black 1px solid; BORDER-BOTTOM: rgb(255,102,102) 2px solid" width=66 bgColor=teal height=35> 농 도</TD> <TD style="BORDER-RIGHT: rgb(255,102,102) 3px solid; BORDER-TOP: rgb(255,102,102) 3px solid; BORDER-LEFT: black 1px solid; BORDER-BOTTOM: rgb(255,102,102) 2px solid" width=334 bgColor=teal height=35>                     만 드 는   법</TD></TR> <TR> <TD style="BORDER-RIGHT: rgb(51,51,0) 1px solid; BORDER-TOP: rgb(255,102,102) 2px solid; BORDER-LEFT: rgb(255,102,102) 3px solid; BORDER-BOTTOM: rgb(51,51,0) 1px solid" width=165 bgColor=#ffffcc height=60>   염산 (HCl)</TD> <TD style="BORDER-RIGHT: rgb(51,51,0) 1px solid; BORDER-TOP: rgb(255,102,102) 2px solid; BORDER-LEFT: rgb(51,51,0) 1px solid; BORDER-BOTTOM: rgb(51,51,0) 1px solid" width=66 bgColor=#ffffcc height=60> 6M 2M</TD> <TD style="BORDER-RIGHT: rgb(255,102,102) 3px solid; BORDER-TOP: rgb(255,102,102) 2px solid; BORDER-LEFT: rgb(51,51,0) 1px solid; BORDER-BOTTOM: rgb(51,51,0) 1px solid" vAlign=center align=left width=334 bgColor=#ffffcc height=60>  진한 염산 (12M) 100mL + 물 100mL  6M 염산 100mL + 물 200mL</TD></TR> <TR> <TD style="BORDER-RIGHT: rgb(51,51,0) 1px solid; BORDER-TOP: rgb(51,51,0) 1px solid; BORDER-LEFT: rgb(255,102,102) 3px solid; BORDER-BOTTOM: rgb(51,51,0) 1px solid" width=165 bgColor=#ffffcc height=60>   질산 (HNO3)</TD> <TD style="BORDER-RIGHT: rgb(51,51,0) 1px solid; BORDER-TOP: rgb(51,51,0) 1px solid; BORDER-LEFT: rgb(51,51,0) 1px solid; BORDER-BOTTOM: rgb(51,51,0) 1px solid" width=66 bgColor=#ffffcc height=60> 6M 2M</TD> <TD style="BORDER-RIGHT: rgb(255,102,102) 3px solid; BORDER-TOP: rgb(51,51,0) 1px solid; BORDER-LEFT: rgb(51,51,0) 1px solid; BORDER-BOTTOM: rgb(51,51,0) 1px solid" vAlign=center align=left width=334 bgColor=#ffffcc height=60>  진한 질산 (16M) 100mL + 물 170mL  6M 질산 100mL + 물 200mL</TD></TR> <TR> <TD style="BORDER-RIGHT: rgb(51,51,0) 1px solid; BORDER-TOP: rgb(51,51,0) 1px solid; BORDER-LEFT: rgb(255,102,102) 3px solid; BORDER-BOTTOM: rgb(51,51,0) 1px solid" width=165 bgColor=#ffffcc height=60>   황산 (H2SO4)</TD> <TD style="BORDER-RIGHT: rgb(51,51,0) 1px solid; BORDER-TOP: rgb(51,51,0) 1px solid; BORDER-LEFT: rgb(51,51,0) 1px solid; BORDER-BOTTOM: rgb(51,51,0) 1px solid" width=66 bgColor=#ffffcc height=60> 3M 1M</TD> <TD style="BORDER-RIGHT: rgb(255,102,102) 3px solid; BORDER-TOP: rgb(51,51,0) 1px solid; BORDER-LEFT: rgb(51,51,0) 1px solid; BORDER-BOTTOM: rgb(51,51,0) 1px solid" vAlign=center align=left width=334 bgColor=#ffffcc height=60>  진한 황산 (18M) 100mL + 물 500mL  3M 황산 + 물 200mL</TD></TR> <TR> <TD style="BORDER-RIGHT: rgb(51,51,0) 1px solid; BORDER-TOP: rgb(51,51,0) 1px solid; BORDER-LEFT: rgb(255,102,102) 3px solid; BORDER-BOTTOM: rgb(51,51,0) 1px solid" width=165 bgColor=#ffffcc height=60>   아세트산 (CH3COOH)</TD> <TD style="BORDER-RIGHT: rgb(51,51,0) 1px solid; BORDER-TOP: rgb(51,51,0) 1px solid; BORDER-LEFT: rgb(51,51,0) 1px solid; BORDER-BOTTOM: rgb(51,51,0) 1px solid" width=66 bgColor=#ffffcc height=60> 6M 2M</TD> <TD style="BORDER-RIGHT: rgb(255,102,102) 3px solid; BORDER-TOP: rgb(51,51,0) 1px solid; BORDER-LEFT: rgb(51,51,0) 1px solid; BORDER-BOTTOM: rgb(51,51,0) 1px solid" vAlign=center align=left width=334 bgColor=#ffffcc height=60>  빙초산 (17M)  350mL + 물 650mL  6M 아세트산 100mL + 물 200mL</TD></TR> <TR> <TD style="BORDER-RIGHT: rgb(51,51,0) 1px solid; BORDER-TOP: rgb(51,51,0) 1px solid; BORDER-LEFT: rgb(255,102,102) 3px solid; BORDER-BOTTOM: rgb(51,51,0) 1px solid" width=165 bgColor=#ffffcc height=60>   암모니아수 (NH3)</TD> <TD style="BORDER-RIGHT: rgb(51,51,0) 1px solid; BORDER-TOP: rgb(51,51,0) 1px solid; BORDER-LEFT: rgb(51,51,0) 1px solid; BORDER-BOTTOM: rgb(51,51,0) 1px solid" width=66 bgColor=#ffffcc height=60> 6M 2M</TD> <TD style="BORDER-RIGHT: rgb(255,102,102) 3px solid; BORDER-TOP: rgb(51,51,0) 1px solid; BORDER-LEFT: rgb(51,51,0) 1px solid; BORDER-BOTTOM: rgb(51,51,0) 1px solid" vAlign=center align=left width=334 bgColor=#ffffcc height=60>  진한 암모니아수 (15M) 40mL + 물 60mL  진한 암모니아수 (15M) 10mL + 물 60mL</TD></TR> <TR> <TD style="BORDER-RIGHT: rgb(51,51,0) 1px solid; BORDER-TOP: rgb(51,51,0) 1px solid; BORDER-LEFT: rgb(255,102,102) 3px solid; BORDER-BOTTOM: rgb(51,51,0) 1px solid" width=165 bgColor=#ffffcc height=111>   네슬러 시약</TD> <TD style="BORDER-RIGHT: rgb(51,51,0) 1px solid; BORDER-TOP: rgb(51,51,0) 1px solid; BORDER-LEFT: rgb(51,51,0) 1px solid; BORDER-BOTTOM: rgb(51,51,0) 1px solid" width=66 bgColor=#ffffcc height=111> -</TD> <TD style="BORDER-RIGHT: rgb(255,102,102) 3px solid; BORDER-TOP: rgb(51,51,0) 1px solid; BORDER-LEFT: rgb(51,51,0) 1px solid; BORDER-BOTTOM: rgb(51,51,0) 1px solid" vAlign=center align=left width=334 bgColor=#ffffcc height=111>  KI 5.0g을 5mL의 찬물에 녹이고, 여기에 HgCl2의  포화용액을 침전물이 생길 때까지 가한다. 다음에 5M  NaOH 용액 20mL를  가하고, 물을 가해 100mL로 만든후  거른다. 거른액을 갈색 병에 넣어 보관한다.</TD></TR> <TR> <TD style="BORDER-RIGHT: rgb(51,51,0) 1px solid; BORDER-TOP: rgb(51,51,0) 1px solid; BORDER-LEFT: rgb(255,102,102) 3px solid; BORDER-BOTTOM: rgb(51,51,0) 1px solid" width=165 bgColor=#ffffcc height=35>   녹말 용액</TD> <TD style="BORDER-RIGHT: rgb(51,51,0) 1px solid; BORDER-TOP: rgb(51,51,0) 1px solid; BORDER-LEFT: rgb(51,51,0) 1px solid; BORDER-BOTTOM: rgb(51,51,0) 1px solid" width=66 bgColor=#ffffcc height=35> 1%</TD> <TD style="BORDER-RIGHT: rgb(255,102,102) 3px solid; BORDER-TOP: rgb(51,51,0) 1px solid; BORDER-LEFT: rgb(51,51,0) 1px solid; BORDER-BOTTOM: rgb(51,51,0) 1px solid" vAlign=center align=left width=334 bgColor=#ffffcc height=35> 가용성 녹말 1g과 HgI2 1∼2g을 물 100mL에 녹여 끓인다.</TD></TR> <TR> <TD style="BORDER-RIGHT: rgb(51,51,0) 1px solid; BORDER-TOP: rgb(51,51,0) 1px solid; BORDER-LEFT: rgb(255,102,102) 3px solid; BORDER-BOTTOM: rgb(51,51,0) 1px solid" width=165 bgColor=#ffffcc height=35>   리트머스액</TD> <TD style="BORDER-RIGHT: rgb(51,51,0) 1px solid; BORDER-TOP: rgb(51,51,0) 1px solid; BORDER-LEFT: rgb(51,51,0) 1px solid; BORDER-BOTTOM: rgb(51,51,0) 1px solid" width=66 bgColor=#ffffcc height=35> 1%</TD> <TD style="BORDER-RIGHT: rgb(255,102,102) 3px solid; BORDER-TOP: rgb(51,51,0) 1px solid; BORDER-LEFT: rgb(51,51,0) 1px solid; BORDER-BOTTOM: rgb(51,51,0) 1px solid" vAlign=center align=left width=334 bgColor=#ffffcc height=35>  리트머스 1g을 물 100mL에 녹인다.</TD></TR> <TR> <TD style="BORDER-RIGHT: rgb(51,51,0) 1px solid; BORDER-TOP: rgb(51,51,0) 1px solid; BORDER-LEFT: rgb(255,102,102) 3px solid; BORDER-BOTTOM: rgb(51,51,0) 1px solid" width=165 bgColor=#ffffcc height=60>   메틸오렌지 용액</TD> <TD style="BORDER-RIGHT: rgb(51,51,0) 1px solid; BORDER-TOP: rgb(51,51,0) 1px solid; BORDER-LEFT: rgb(51,51,0) 1px solid; BORDER-BOTTOM: rgb(51,51,0) 1px solid" width=66 bgColor=#ffffcc height=60> 0.1%</TD> <TD style="BORDER-RIGHT: rgb(255,102,102) 3px solid; BORDER-TOP: rgb(51,51,0) 1px solid; BORDER-LEFT: rgb(51,51,0) 1px solid; BORDER-BOTTOM: rgb(51,51,0) 1px solid" vAlign=center align=left width=334 bgColor=#ffffcc height=60>  메틸오렌지 0,1g을 더운물 100mL에 녹여서 냉각한 후  걸러서 쓴다.</TD></TR> <TR> <TD style="BORDER-RIGHT: rgb(51,51,0) 1px solid; BORDER-TOP: rgb(51,51,0) 1px solid; BORDER-LEFT: rgb(255,102,102) 3px solid; BORDER-BOTTOM: rgb(51,51,0) 1px solid" width=165 bgColor=#ffffcc height=60>   요오드액</TD> <TD style="BORDER-RIGHT: rgb(51,51,0) 1px solid; BORDER-TOP: rgb(51,51,0) 1px solid; BORDER-LEFT: rgb(51,51,0) 1px solid; BORDER-BOTTOM: rgb(51,51,0) 1px solid" width=66 bgColor=#ffffcc height=60> 0.12%</TD> <TD style="BORDER-RIGHT: rgb(255,102,102) 3px solid; BORDER-TOP: rgb(51,51,0) 1px solid; BORDER-LEFT: rgb(51,51,0) 1px solid; BORDER-BOTTOM: rgb(51,51,0) 1px solid" vAlign=center align=left width=334 bgColor=#ffffcc height=60>  KI 0.25g과 I2 0.12g을 물 100mL에 녹인 후 갈색병에 넣어  보관한다.</TD></TR> <TR> <TD style="BORDER-RIGHT: rgb(51,51,0) 1px solid; BORDER-TOP: rgb(51,51,0) 1px solid; BORDER-LEFT: rgb(255,102,102) 3px solid; BORDER-BOTTOM: rgb(51,51,0) 1px solid" width=165 bgColor=#ffffcc height=60>   요오드화칼륨 녹말 종이</TD> <TD style="BORDER-RIGHT: rgb(51,51,0) 1px solid; BORDER-TOP: rgb(51,51,0) 1px solid; BORDER-LEFT: rgb(51,51,0) 1px solid; BORDER-BOTTOM: rgb(51,51,0) 1px solid" width=66 bgColor=#ffffcc height=60> -</TD> <TD style="BORDER-RIGHT: rgb(255,102,102) 3px solid; BORDER-TOP: rgb(51,51,0) 1px solid; BORDER-LEFT: rgb(51,51,0) 1px solid; BORDER-BOTTOM: rgb(51,51,0) 1px solid" vAlign=center align=left width=334 bgColor=#ffffcc height=60>  0.12% KI 용액 10mL에 1% 녹말 용액 1mL를 섞은 것을   거름 종이에 흡수시킨다.</TD></TR> <TR> <TD style="BORDER-RIGHT: rgb(51,51,0) 1px solid; BORDER-TOP: rgb(51,51,0) 1px solid; BORDER-LEFT: rgb(255,102,102) 3px solid; BORDER-BOTTOM: rgb(51,51,0) 1px solid" width=165 bgColor=#ffffcc height=60>   페놀프탈레인  알코올 용액</TD> <TD style="BORDER-RIGHT: rgb(51,51,0) 1px solid; BORDER-TOP: rgb(51,51,0) 1px solid; BORDER-LEFT: rgb(51,51,0) 1px solid; BORDER-BOTTOM: rgb(51,51,0) 1px solid" width=66 bgColor=#ffffcc height=60> 1%</TD> <TD style="BORDER-RIGHT: rgb(255,102,102) 3px solid; BORDER-TOP: rgb(51,51,0) 1px solid; BORDER-LEFT: rgb(51,51,0) 1px solid; BORDER-BOTTOM: rgb(51,51,0) 1px solid" vAlign=center align=left width=334 bgColor=#ffffcc height=60>  페놀프탈레인 1g을 60% 알코올 수용액 100mL에  용해시킨다. </TD></TR> <TR> <TD style="BORDER-RIGHT: rgb(51,51,0) 1px solid; BORDER-TOP: rgb(51,51,0) 1px solid; BORDER-LEFT: rgb(255,102,102) 3px solid; BORDER-BOTTOM: rgb(255,102,102) 3px solid" width=165 bgColor=#ffffcc height=110>   펠링 용액</TD> <TD style="BORDER-RIGHT: rgb(51,51,0) 1px solid; BORDER-TOP: rgb(51,51,0) 1px solid; BORDER-LEFT: rgb(51,51,0) 1px solid; BORDER-BOTTOM: rgb(255,102,102) 3px solid" width=66 bgColor=#ffffcc height=110> -</TD> <TD style="BORDER-RIGHT: rgb(255,102,102) 3px solid; BORDER-TOP: rgb(51,51,0) 1px solid; BORDER-LEFT: rgb(51,51,0) 1px solid; BORDER-BOTTOM: rgb(255,102,102) 3px solid" vAlign=center align=left width=334 bgColor=#ffffcc height=110>  A액 : CuSO4·5H2O 6.9g을 물에 녹여 100mL로 만든다.  B액 : KNaC2H4O6·4H2O 34.6g 과 NaOH 10.0g을 물에           녹여 100mL로 만든다.  사용할 때에는 A액과 B액을 같은 양씩 섞는다.</TD></TR></TBODY></TABLE>