Question

Q) Which of the following is wrong?

a) one mole of hydrogen weighs less than one mole of glucose

b) two moles of hydrogen and one mole of helium weigh the same

C) 0.1 mole of oxygen weigh more than one mole of hydrogen

d) one mole of nitrogen and half mole of oxygen weigh the same
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Answer 1

Answer:

One mole of nitrogen and half mole of oxygen weigh the same

Answer 2

Answer:

d is the correct option

Explanation:

n=m/M

m=n*M

for nitrogen: m=1* 14 = 14

for oxygen: m=0.5*16 = 8