Question

calculate the weight of carbon and oxygen present in 3 moles of carbon dioxide
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Answer 1

Explanation:

Molecular formula for carbon dioxide is CO2

molecular weight=

$given \: mass \div molar \: mass \\ 3 = x \div 12 \times 1 + 16 \times 2 \\ 3 = x \div 12 + 32 \\ 3 = x \div 44 \\ x = 3 \times 44 \\ x = 132$

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Answer 2

Answer:

Molecular formula for carbon dioxide is CO2

molecular weight=

\begin{gathered}given \: mass \div molar \: mass \\ 3 = x \div 12 \times 1 + 16 \times 2 \\ 3 = x \div 12 + 32 \\ 3 = x \div 44 \\ x = 3 \times 44 \\ x = 132\end{gathered}

givenmass÷molarmass

3=x÷12×1+16×2

3=x÷12+32

3=x÷44

x=3×44

x=132