Chemistry
Calculate the mass of 2.8 litres of CO2. [C = 12, O = 16]
Mole Concept
140 Likes
Answer
[1 mole = 1 gm mol. wt. and occupies 22.4 lit at s.t.p.]
gm mol. wt. of CO2 = 12 + (16 x 2) = 44 g
1 mole of CO2 = 1 gm mol. wt.
22.4 lit of CO2 has mass 44 g [s.t.p.]
Therefore, 2.8 lit of CO2 has mass
Therefore, mass of 2.8 litres of CO2 is 5.5 g
Answered By
65 Likes
Related Questions
Ammonia is formed from the reactants nitrogen and hydrogen in presence of a catalyst under suitable conditions. Assuming all volumes are measured in litres at s.t.p. Calculate the volume of ammonia formed if only 10% conversion has taken place.
100 cc. each of water gas and oxygen are ignited and the resultant mixture of gases cooled to room temp. Calculate the composition of the resultant mixture. [Water gas contains CO and H2 in equal ratio]
Calculate the volume occupied by 53.5 g of Cl2. [Cl = 35.5]
Calculate the number of molecules in 109.5 g of HCl. [H = 1, Cl = 35.5]