24nelsoaddh
09.11.2019 •
Chemistry
What would you observe in a solution of 30 g of kc1o3 in 100 g of water at 10 c?
a. about 5 g of the kc1o3 is dissolved
b. about 20 g of the kc1o3 is dissolved
c. all of the kc1o3 is dissolved
d. none of the kc1o3 is dissolved
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Ответ:
Option A is correct. About 5 g of the KClO3 is dissolved
Explanation:
KClO3 is not very good soluble in water.
So, Option C is impossible, because KClO3 is poorly soluble in water.
The low solubility of KClO3 in water causes KClO3 to isolate itself from the reaction mixture by precipitating out of solution.
So, option D will either happen.There will be a part of KClO3 dissolve.
At 10 °C, KClO3 has a solubility of 4.46 g/100 gram (10 °C).
Option A is correct. About 5 g of the KClO3 is dissolved
Ответ: