After being thoroughly stirred at 10.°C, which mixture is heterogenous? (1) 25.0 g of KCl and 100. g of H2O

(2) 25.0 g of KNO3 and 100. g of H2O

(3) 25.0 g of NaCl and 100. g of H2O

(4) 25.0 g of NaNO3 and 100. g of H2O

Question

Mila Compton

Chemistry

9 April, 22:17

After being thoroughly stirred at 10.°C, which mixture is heterogenous? (1) 25.0 g of KCl and 100. g of H2O

(2) 25.0 g of KNO3 and 100. g of H2O

(3) 25.0 g of NaCl and 100. g of H2O

(4) 25.0 g of NaNO3 and 100. g of H2O

+1

Answers (1)

Know the Answer?

Audrey Blackburn · Answer 1

The answer is (2) KNO3. This depends on the solubility of these four compounds at 10℃. For NaCl, it is 35.8 g, For NaNO3, 80.8 g. KCl, 31.2 g. KNO3, 21.9g. So only KNO3 is less than 25.0 g.

After being thoroughly stirred at 10.°C, which mixture is heterogenous? (1) 25.0 g of KCl and 100. g of H2O(2) 25.0 g of KNO3 and 100. g of H2O(3) 25.0 g of NaCl and 100. g of H2O(4) 25.0 g of NaNO3 and 100. g of H2O

After being thoroughly stirred at 10.°C, which mixture is heterogenous? (1) 25.0 g of KCl and 100. g of H2O

(2) 25.0 g of KNO3 and 100. g of H2O

(3) 25.0 g of NaCl and 100. g of H2O

(4) 25.0 g of NaNO3 and 100. g of H2O