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Washing Soda Is a Hydrate of Sodium Carbonate

Question 48

Multiple Choice

Washing soda is a hydrate of sodium carbonate. Elemental analysis of a sample of washing soda gave 4.20% C and 7.05% H. What is the formula for washing soda


A) Na2CO3 * 2H2O
B) Na2CO3 * 4H2O
C) Na2CO3 * 6H2O
D) Na2CO3 * 8H2O
E) Na2CO3 * H2O

Correct Answer:

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