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:

$n = m/M$

$m = n*M$

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

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

What is the mass of 1.5 moles of CO_2CO_2?