作业帮求助32%液碱的性质,如密度,PH值,腐蚀性,水溶性,溶解是否发热?
来源：学生作业帮 编辑：作业帮 分类：综合作业 时间：2024/07/05 13:44:31
求助32%液碱的性质,如密度,PH值,腐蚀性,水溶性,溶解是否发热?
本身是液体的,加水稀释后是否会发热．发热量有多大．
本身是液体的,加水稀释后是否会发热．发热量有多大．
Physical data is displayed for 10%,30% and 50% aqueous sodium hydroxide solutions.(Merck Index).
Appearance:
Clear,colorless solution.
Odor:
Odorless.
Solubility:
Completely miscible with water.
Density:
10% solution - 1.11; 30% solution - 1.33; 50% solution - 1.53
pH:
14.0 (10%,30% and 50% solutions)
% Volatiles by volume @ 21C (70F):
No information found.
Boiling Point:
For 10% solution = 105C (221F); for 30% solution = 115C (239F); for 50% solution = 140C (284F).
Melting Point:
For 10% solution = -10C (14 F); for 30% solution = 1C (34F); for 50% solution = 12C (53.6F).
Vapor Density (Air=1):
No information found.
Vapor Pressure (mm Hg):
13 @ 60C (140F) (50% solution)
Evaporation Rate (BuAc=1):
No information found.
Appearance:
Clear,colorless solution.
Odor:
Odorless.
Solubility:
Completely miscible with water.
Density:
10% solution - 1.11; 30% solution - 1.33; 50% solution - 1.53
pH:
14.0 (10%,30% and 50% solutions)
% Volatiles by volume @ 21C (70F):
No information found.
Boiling Point:
For 10% solution = 105C (221F); for 30% solution = 115C (239F); for 50% solution = 140C (284F).
Melting Point:
For 10% solution = -10C (14 F); for 30% solution = 1C (34F); for 50% solution = 12C (53.6F).
Vapor Density (Air=1):
No information found.
Vapor Pressure (mm Hg):
13 @ 60C (140F) (50% solution)
Evaporation Rate (BuAc=1):
No information found.