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24 October, 07:26

What is the equivalent weight of h2so4 in the reaction H2SO4+NAI = NA2SO4+I2+H2S+H2O

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  1. 24 October, 11:26
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    First, calculate the relative molecular mass and apply the atomic masses to each element of the molecule using a periodic table.

    H2S04

    H * 2 = 1 * 2 = 2

    S * 1 = 32 * 1 = 32

    O * 4 = 16 * 4 = 64

    2 + 32 + 64 = 98

    Similarly : Nal

    Na * 1 = 23 * 1 = 23

    I * 1 = 127 * 1 = 127

    23 + 127 = 150

    Using the formula Moles = Mass (g) / relative molecular mass, the reaction equation should be balanced

    5H2SO4 + 8Nal = 4Na2SO4 + 4l2 + H2S + 4H2O

    Therefore the reacting ratios are 5:8:4:4:1:4
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