Determine the masses of simple substances which must be taken to obtain 1.5 moles of CO2.

univerkov | January 17, 2021 | education

Given:
n (CO2) = 1.5 mol
To find:
m (C)
m (O2)
Decision:
C + O2 = CO2
n (CO2): n (C) = 1: 1
n (C) = 1.5 mol
n (CO2): n (O2) = 1: 1
n (O2) = 1.5 mol
m (C) = n * M = 1.5 mol * 12 g / mol = 18 g
m (O2) = n * M = 1.5 mol * 32 g / mol = 48 g
Answer: 18 g; 48 g

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