Home / Unit-6 Stoichiometry / Question
MCQ
The percentage of carbon in carbon dioxide (CO2) is:
Unit-6 Stoichiometry
A 27.3%
B 72.7%
C 33.3%
D 50%
Explanation

Percentage of carbon = (12/44) x 100 = 27.27%.

Related MCQs

Zn + CuSO4 gives ZnSO4 + Cu is an example of:
Unit-6 Stoichiometry View
The total number of atoms in one molecule of H2SO4 is:
Unit-6 Stoichiometry View
In CaCO3 + 2HCl gives CaCl2 + H2O + CO2, what volume of CO2 at STP forms from 10 g of CaCO3?
Unit-6 Stoichiometry View
How many moles are present in 36 g of water (H2O)?
Unit-6 Stoichiometry View
How many moles of oxygen gas (O2) occupy 67.2 dm^3 at STP?
Unit-6 Stoichiometry View
In the balanced equation N2 + 3H2 gives 2NH3, the coefficient of N2 is:
Unit-6 Stoichiometry View