# Answer to Question #68949 in Other Physics for DEEPENDRA SINGH

Question #68949

50% H2O is in Na2SO4.XH2O then what is the value of X?

Expert's answer

Molar mass of Na2SO4 is

2∙23 + 32 + 4∙16 = 142

Molar mass of H2O is

2∙1 + 16 = 18

18X/142 =0.5/0.5=1

X =(142/18)≈8.

Answer: 8.

2∙23 + 32 + 4∙16 = 142

Molar mass of H2O is

2∙1 + 16 = 18

18X/142 =0.5/0.5=1

X =(142/18)≈8.

Answer: 8.

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