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22 March, 15:50

In this chemical reaction, 325 grams of barium (Ba) react completely. How many moles of lithium (Li) are produced?

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  1. 22 March, 19:13
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    Answer: 4.74 moles

    Explanation:

    2LiBr+Ba/rightarrow BaBr_2+2Li

    Moles of Ba=/frac{/text {given mass}}{/text {molar mass}}

    Moles of Ba=/frac{325g}{137g/mol}=2.37 moles

    According to given balanced equation,

    1 mole of Barium gives 2 moles of Li

    Thus 2.37 moles of Barium gives=/frac{2}{1}/times 2.37=4.74 moles

    Thus 4.74 moles of lithium will be produced by 135 g of barium.
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