Civil Engineering MCQJE Level Civil Engineering
Design note: What is the mass of 2 mole of a substance having molar mass 18 g/mol?
Physics and ChemistryPhysics and ChemistryMEDIUM
Choose the correct answer
A
9 g
B
20 g
C
36 g
D
0.11 g
Correct Answer
C. 36 g
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Mass = number of moles x molar mass = 2 x 18 = 36 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.