Answer:
b) At equilibrium, equal amounts of products and reactants are present.
Explanation:
At equilibrium , the ratio of product of concentration of products and product of concentration of reactants is constant .
A + B ⇄ C + D
[C] [ D] / [ A ] [ B ] = Constant
So, the statement ( b ) is false .
All other statements are true .
The answer to your question is: 30 g
Data
mass of water = 25 g
mass of salt = 5 g
Process
total mass = mass of water + mass of salt
= 25 + 5
= 30 g