Chemistry
Which of the following would weigh most?
(a) 1 mole of H2O
(b) 1 mole of CO2
(c) 1 mole of NH3
(d) 1 mole of CO
Mole Concept
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Answer
1 mole of CO2
Reason —
Weight of H2O = 2 + 16 = 18 g
Weight of CO2 = 12 + (2 x 16) = 12 + 32 = 44 g
Weight of NH3 = 14 + (3 x 1) = 14 + 3 = 17 g
Weight of CO = 12 + 16 = 28 g
As weight of CO2 is maximum, hence 1 mole of CO2 will weigh the most.
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