Question

how many liters of water should be added in 10 liters of a 40% acid solution to make it a 25% acid solution​

Answer 1

Answer:

15 liters

The volume of water need to be added is 25 - 10 = 15 liters.

Answer 2

Answer:

Calcium carbonate (limestone or chalk) decomposes into calcium oxide and carbon dioxide when heated.