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1 September, 19:03

If 82.5 g of potassium sulfide react, how many moles of K2S react

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  1. 1 September, 19:23
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    One mole of K2 S = 110.27g, so 3.3 moles K2 S = 363.89 g

    First find the molar mass of K2 S:

    K2 x 39.10 = 78.20

    S1 x 32.07 = 32.07

    78.20 + 32.07 = 110.27g

    3.3 moles K2 S x 110.27g/mol = 363.89g
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