Chemistry, asked by Shinushree5701, 10 months ago

Calculate the percentage by mass of water in sodium carbonate crystals

Answers

Answered by Anonymous

4

Answer:

Percentage water is mass of water/mass of compound x 100

Molar mass of Na2CO3.10H2O is 286 g/mol

Explanation:

Molar mass of H2O is 18 g/mol so mass of 10H2O is 180 g

Therefore percentage water is 180/286 x100 = 63%

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