What is the mass of 1.5 moles of #CO_2#?

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Answer 1 · 2017-03-28T01:00:31

The mass of 1.5 moles of #CO_2# is 66 grams

Let:
#n# be the number of moles
#m# be the mass
#M# be the molecular weight

#n = 1.5mol#

By definition:

#n = m/M#

#m = n*M#

#M(C) = 12g//mol#
#M(O_2) = 2*16g//mol= 32g//mol#
#M = 12g//mol + 32g//mol#
#M = 44g//mol#

#m = 1.5mol*44g//mol#
#m = 66g#