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15 September, 12:49

How many moles of MgCl2 are there in 338 g of the compound

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  1. 15 September, 16:11
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    atomic mass of magnesium = 24.305

    atomic mass of chlorine = 35.453

    molecular mass of MgCl2 = 24.305+2*35.453 = 95.211

    Number of moles in 338 g of pure MgCl2

    = 338/95.211 = 3.55001 moles

    Ans. there are 3.55 moles of MgCl2 in 338 g of the substance.
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