Answer:
im guessing it's the second one
Someone. or something will get hurt
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.
Hello!
I believe the correct answer to this question is H+ and H2O.
I hope you found this helpful! :)