Question

10% mass by mass solution of CuSO4means:  

a) 10 g of CuSO4 dissolved in 10 g of water
b) 10 g of CuSO4 dissolved in 100 g of water
c) 10 g of CuSO4 dissolved in 90 g of water
d) 1 g of CuSO4 dissolved in 10 g of water​

Answer 1

answer:cccccccccc......??,;;::"it's correct answer is Cccc