Asked by Anonymous
washing soda is a hydrate of sodium carbonate. a 2.714 g sample of washing soda is heated until a constant mass of 1.006 of na2co3 is reached. what is the mass of the water evaporated? what is the percent water in the compound?
Answers
Answered by
DrBob222
Na2CO3.xH2O ==> Na2CO3 + xH2O
2.714g.........1.006g.....xg
Now how do you think you can find x g H2O?
Then where do you go for the empirical formula.
2.714g.........1.006g.....xg
Now how do you think you can find x g H2O?
Then where do you go for the empirical formula.
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