Calculating Initial Mass of CO2 Sample (JEE Mains) | ExamDuo
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Mole concept and molar mass
Medium
Calculating Initial Mass of CO2 Sample
2.8 × 10
–3
mol of CO
2
is left after removing 10
21
molecules from its ‘x’ mg sample. The mass of CO
2
taken initially is
Given : N
A
= 6.02 × 10
23
mol
–1
SELECT ONE OPTION
A
196.2 mg
B
98.3 mg
C
150.4 mg
D
48.2 mg
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