20 g of metal combines with oxygen to form 60 g of metal oxide (MO). The percentage of oxygen in metal oxide is
84.3%
72.9%
33.3%
66.6%
The molar mass of methane is 16 g/mol.
1 molecule of methane contains 5 atoms
1 mole of methane contains 6.02 × 1023 molecules.
Number of atoms present in 1.6 g of methane is: 6.02 × 1023 × = 0.5 NA atoms.
Which one contains the maximum number of molecules?
Nextx g of propane (C3H8) on combustion with 32 g of oxygen produces 26.4 g of CO2 a
20 g of metal combines with oxygen to form 60 g of metal oxide (MO). The percentage of oxygen in met
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