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31-01-2022
Chemistry

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What quantity in moles of LiBr are in 66.1 grams of LiBr?

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31-01-2022

Molar mass of LiBr

7+80=87g/mol

[tex]\\ \sf\hookrightarrow No\:of\;moles=\dfrac{Given\:mass}{Molar\:mass}[/tex]

[tex]\\ \sf\hookrightarrow No\:of\:moles=\dfrac{66.1}{87}[/tex]

[tex]\\ \sf\hookrightarrow No\:of\:moles=0.75mol[/tex]

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