What is the mass of 0.2 moles of ethanol

Samuel Barbosa asked Aug 26, 2022

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Samuel Barbosa asked Aug 26, 2022

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25 votes

Answer:

Answer is 9.2 grams

Step-by-step explanation:

Molar mass of ethanol

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

for moles:

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

Taras Lozovyi answered Aug 30, 2022

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