Question

convert in moles...1. 12g of oxygen. ​

Answer 1

Answer:

There actually are simple... You can “convert” 12g of O2 gas into 1 mol O2 gas by adding 32g-12g = 20g O2 to it. Answer” Mol O2 = 12g/32g/mol = 0.375 mol O2 gas.

Answer 2

Answer:

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