Question

5.00 g of carbon dioxide contains how many molecules of carbon dioxide

Answer 1

M CO₂: 12g + 16g×2 = 44g/mol


44g --------- 6,02·10²³ m. CO₂
5g ----------- X
X = (6,02·10²³×5)/44
X = 0,684·10²³ = 6,84·10²² molecules of CO₂

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