Question

what is mass of H20 in 1000kg of CuSO4.10H2O

Answer 1

Hi CuSO4.10H2O (molar Mass)= 339.78g(1Cu+1S+14O+20H) mass of water in 339.78g ofCuSO4.10H2O =10x molar mass of water=10x18 =180g
Set up ratio
x/1000 = 180/339.78
X= 180x1000/339.78g
= 529.75 g
You can use percent method also .
percent of water in 339.78g= 180x100/339.78=52.975%
Now % of water in 1000g ofCuSO4.10H2O = 52.975%
Mass of water in grams in 1000g ofCuSO4.10H2O =52.975%of 1000gm
=52.975 X 1000gm/100=529.75g
See we got the same answer.
Hi CuSO4.10H2O (molar Mass)= 339.78g(1Cu+1S+14O+20H) mass of water in 339.78g ofCuSO4.10H2O =10x molar mass of water=10x18 =180g
Set up ratio
x/1000 = 180/339.78
X= 180x1000/339.78g
= 529.75 g
You can use percent method also .
percent of water in 339.78g= 180x100/339.78=52.975%
Now % of water in 1000g ofCuSO4.10H2O = 52.975%

Answer 2

No no no no no, the answer is 360.50 kg.