The correct answer is c, it’s evaporating there for it’s a chemical change
Answer:
Having a specific set of possible values
The answer is potassium magnate
Answer: The percentage by mass of sulphur in
is 9.36%
Explanation:
Mass percent of an element is the ratio of mass of that element by the total mass expressed in terms of percentage.

Given: mass of sulphur = 32 g/mol
mass of
= 342 g/mol
Putting in the values we get:

The percentage by mass of sulphur in
is 9.36%
This rock is balanced by roots on the ground that are very strong