a chemist weighs a steel cylinder of compressed oxygen O2 and finds dat it has a mass of 1027.8g...?

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AFTER SOME OF THE OXYGEN IS USED IN AN EXPERIMENT THE CYLINDER HAS A MASS OF 1023.2G. HOW MANY MOLES OF OXYGEN GAS ARE USED IN THE EXPERIMENT?

2007-02-27 10:53:07 · 0 answers · asked by Lore 1 in Science & Mathematics ➔ Chemistry

1027.8g-1023.2G =4.6g

O2 = 31.9988 g/mol

4.6g/31.9988g/mol = 0.1438mol

2007-02-27 10:56:19 · answer #1 · answered by Hard Rocker 3 · 0⤊ 0⤋