58.5 gms of NaCl contains A. 1 gm mole of NaCl B. 1 lb mole of

58.5 gms of NaCl contains

A. 1 gm mole of NaCl

B. 1 lb mole of NaCl

C. Both a and b

D. Neither a nor b

This question was posed to me in class test.

My doubt stems from Mole and Molecular Weight-I topic in portion Introductory Concepts of Chemical Process Calculation

Correct choice is A. 1 gm mole of NaCl

For explanation: gm moles = mass in gm/molecular weight.