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Which of the following is a correct formula for washing soda?

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in Chemistry – Class 11 by (148k points)
Which of the following is a correct formula for washing soda?

(a) Na2CO3.10H2O

(b) Na2CO3

(c) NaCO3

(d) Na2CO

I got this question during a job interview.

This interesting question is from s-Block Elements in section s-Block Elements of Chemistry – Class 11

1 Answer

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Correct option is (a) Na2CO3.10H2O

For explanation I would say: Washing soda is nothing but sodium carbonate it contains two atoms of sodium, one atom of carbon, three atoms of Oxygen and 10 moles of water in one molecule its chemical formula is given by Na2CO3.10H2O.

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