Dennisyzkamau Dennisyzkamau

18-08-2021
Chemistry

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what is the mass of 0.2 moles of ethanol

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Аноним Аноним

18-08-2021

Answer:

Answer is 9.2 grams

Explanation:

Molar mass of ethanol

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

for moles:

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

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