Convert into mole :
(a) 28 g of nitrogen atoms
(b) 20 g of carbon dioxide

Convert into moles (a) 12g of oxygen gas (b) 20g of water.

Convert into moles : (a) 12 g of oxygen gas (b) 20 g of water (c ) 22 g of carbon dioxide (Atomic masses : O = 16 u, H = 1 u and C = 12 u )

Convert into mole. (a) 12 g of oxygen gas (b) 20 g of water (c) 22 g of carbon dioxide.

Convert into moles: (i)20g of water (ii)20g of carbon dioxide

A vessel contains a mixtrue consisting of m_(1) = 7g of nitrogen M_(1) = 28 and m_(2) = 11 g of carbon dioxide (M_(2) 44) at temperature T = 300 K and pressure p_(0) = 1 atm. Find the density of the mixture.

Calculate gamma of a gaseous mixture consisting of 3 moles of nitrogen and 2 moles of carbon dioxide.

Calculate the pressure (in N/m^2 )exerted by a mixture of 8 g of oxygen, 14 g of nitrogen, and 22 g of carbon dioxide in a container of 30l at a temperature of 27^@C .

How many g -atom are in 84 g of carbon?