Question

what is the mass in grams of 0.457moles of nitrogen gas? a)6.31g. b)6.40g. c)12.80. d)6.78g​

Answer 1

Answer:

C. 12.80 GRAM

Explanation:

MOLES OF NITROGEN GAS= 0.457 MOLE

MOLAR MASS OF N2 GAS= 28 GRAM.

SO MASS OF N2 GAS = 0.457 X 28= 12.79 = 12.80 GRAM( APPROX.)