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9 September, 21:05

Concentrated HCl is 98% and has density 1.46g/cm 3 what volume of

concentrated acid required to make 2L of 0.25M HCl.

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  1. 9 September, 21:10
    0
    12.64 cm^3 to the nearest hundredth

    Explanation:

    1 L of 0.25M of HCl contains 0.25 * (1.008 * 35.45) g of HCl

    = 9.1145 g HCl.

    So 2 litres contain 18.229 g HCl.

    So we need the volume of concentrated acid which contains 18.229 g HCl.

    1.46 * 0.98 = 1.4308 g are in 1 cm^3

    So 18.229 g are in 18.229/1.4308

    = 12.6404 cm^3 (answer).
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