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Renzokuken
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[SOLVED] Converting Mol
1. A 20-cm-diameter cylinder that is 40 cm long contains 50 g of oxygen gas at 20 degrees celsius.
How many moles of oxygen are in the cylinder?
so 1 mol = 6.022*10^23
oxygen atomic mass=16g/mol
50g/16(g/mol) = 3.125 mol
I don't know why it is wrong, someone told me it is 50g/32(g/mol) but why is it 32 instead of 16?
1. A 20-cm-diameter cylinder that is 40 cm long contains 50 g of oxygen gas at 20 degrees celsius.
How many moles of oxygen are in the cylinder?
so 1 mol = 6.022*10^23
oxygen atomic mass=16g/mol
50g/16(g/mol) = 3.125 mol
I don't know why it is wrong, someone told me it is 50g/32(g/mol) but why is it 32 instead of 16?