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8 September, 14:07

What is the mass in grams of 5.40 moles of lithium? what is the mass in grams of 5.40 moles of lithium? 37.5 1.29 6.94 3.25 * 1024 none of the above?

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  1. 8 September, 15:14
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    M (Li) = 6.94 g/mol

    n (Li) = 5.50 mol

    m (Li) = n (Li) M (Li)

    m (Li) = 5.40*6.94=37.476 g≈37.5

    m (Li) = 37.5 g
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