QUESTION 19 What is the mass percent of sodium, Na, in Na2O7 Report your answer to...

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science chemistry

Answer 1

Answer #1

19) Mass y. sodium - Na=239 Massana X100 mass y no Nao - anato 22x23+ 16 = 629 239 X100 Mass 7. Na = 629 = (37%. 20) Mass of

Answer 2

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