Chemistryhard · Past Paper
Calculate the number of molecules in 11 grams of CO2 gas.
A6.022 x 10^23
B3.011 x 10^23
C1.505 x 10^23
D12.044 x 10^23
✓ Correct Answer: C — 1.505 x 10^23
Moles = 11/44 = 0.25. Molecules = 0.25 * Avogadro's Number = 1.505 x 10^23.
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