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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.

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