Find the volume of oxygen if 10 g of carbon is burned.
| December 7, 2020 | education
Given:
m (C) = 10g. C + O₂ = CO₂ (reaction equation)
To find the volume of oxygen, you need:
1) determine the amount of O in 10g
M (C) = 12g / mol
n (C) = m (C) ÷ M (C) = 10g ÷ 12g / mol = 0.83 mol
2) determine the volume of 0.83 mol of oxygen:
V (O₂) = n (O₂) хVm = 0.83 molx22.4 l / mol = 18.6 l.
Answer: 18.6 liters.
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