Question

what is the mass of 0.2 moles of ethanol​

Answer 1

Answer:

Answer is 9.2 grams

Explanation:

Molar mass of ethanol

${ \bf{CH _{3}CH_{2}OH}} = (12 \times 2) + (6 \times 1) + (16) \\ = 46 \: g$

for moles:

${ \sf{1 \: mole \: of \: ethanol \: weighs \: 46 \: g}} \\ { \sf{0.2 \: moles \: weigh \: (0.2 \times 46) \: g}} \\ = 9.2 \: g$