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Molar Mass?

40.2 g of A2 reacts with 11.5 g of B2 to form A2B. What is the ratio of the molar mass of A to the molar mass of B?

2007-03-09 17:37:19 · 1 answers · asked by godrics 2 in Science & Mathematics ➔ Chemistry

1 answers

2atoms of A react with one of B

so molecular mass is 2A+B

you have 2A/B = 40.2/11.5

23A = 40B and A/B = 40/23 =1.74

Molar mass of A = 1.74 molar mass of B

2007-03-09 17:44:10 · answer #1 · answered by maussy 7 · 0⤊ 0⤋

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