Chemistry, asked by Apurva6765, 1 year ago

Calculate the number of molecules of oxygen gas that occupies a volume of273kand 3atm pressure

Answers

Answered by Noreen1256
8
N = pv ÷ RT
.n = 3 × 0.224liter ÷ 0.0821 × 273
n= 0.672 ÷ 22.4
n = 0.0299mole

Number of molecules = n × Na
= 0.0299 × 6.02× 10^23
= 0.1804 × 10^23
= 1.804 × 10^22

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