Question

It was observed that heat is evolved when 25g of sodium hydroxide is dissolved in 100 ml. of pure
water Do you think there will be any change in mass of the solution? Find the mass percentage of
the solution​

Answer 1

Answer:

ycyycycc ycycyyyy y8 9 y9y9y99y c9y to 9 cyc9 9yy y y 9y y9y9y9 9 99 y9y9y9y9y99 vy

Explanation:

ttttt tt t t t tttttttttt þttttttt t and t t first are þ and I was at tt þ t t day in tt to ttttttttttttt tt t ttt