What is the mass in grams of 3.86 moles of Na2So4?

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2007-07-05 14:19:53 · 2 answers · asked by Anonymous in Science & Mathematics ➔ Chemistry

Moles = Mass/ MW
Mass = MW * Moles

MW of Na2SO4 = 2*23 + 32 + 16*4
= 142

Therefore the mass of Na2SO4 = 142 * 3.86
= 548g

2007-07-05 14:24:27 · answer #1 · answered by ktrna69 6 · 0⤊ 0⤋

MW of Na2SO4 is 142, so there would be 142 * 3.86 or 548 grams.

2007-07-05 21:23:38 · answer #2 · answered by TheOnlyBeldin 7 · 0⤊ 0⤋