Civil Engineering MCQJE Level Civil Engineering
Quick numerical check: What is the mass of 0.5 mole of a substance having molar mass 44 g/mol?
Physics and ChemistryPhysics and ChemistryHARD
Choose the correct answer
A
22 g
B
88 g
C
0.01 g
D
44.5 g
Correct Answer
A. 22 g
Why is this the answer?
Mass = number of moles x molar mass = 0.5 x 44 = 22.0 g.
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This MCQ belongs to RRB JE Civil & Allied Engineering CBT-2 Full Mock Test Series. Full tests include timed attempts, rank comparison and subject-wise analysis.