Formula for number of kg moles (n) of a gas - Thermodynamics

Q.  What is the formula for number of kg moles (n) of a gas? If,
m = mass of gas in kg
μ = molecular weight in kg / kg mole

- Published on 19 Aug 15

a. n = m . μ
b. n = m / μ
c. n = μ / m
d. none of the above

ANSWER: n = m / μ

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