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The hardness of a water sample containin...

The hardness of a water sample containing `10^(-3)M MgSO_(4)` expressed as `CaCO_(3)`equivalents (in ppm) is `""_____________` (Molar mass of `MgSO_(4)` is `120.37 g//mol)`

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Determine the degree of hardness of a sample of water containing 30 ppm of MgSO_(4) .

Calculate the hardness of a water sample which contains 0.001 mole of MgSO_(4) dissolved perr litre of the solution.

Knowledge Check

  • Hardness of a water sample is 100 "ppm" CaCo_(3) . Thus molarity of CaCO_(3) is

    A
    `2xx10^(-3)M`
    B
    `1xx10^(-3) M`
    C
    `2xx10^(-2)M`
    D
    `2xx10^(-4) M`

  • Hardness of water sample is 300 ppm CaCO_3 Hence its molarity is:

    A
    0.3 M
    B
    0.030 M
    C
    0.003 M
    D
    0.0015 M

  • 10 g of CaCO_(3) contains :

    A
    10 moles of `CaCO_(3)`
    B
    0.1 g atom of Ca
    C
    `6 xx 10^(23)` atoms of Ca
    D
    0.1 equivalent of Ca

    • Similar Questions

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    Calculate the hardness of water sample which contains 0.001 mole of MgSO_4 dissolved per litre of water.

    the hardness of a water sample (in terms of Equivalents of CaCO_(3) ) containing 10^(-3)MCaSO_(4) Is : (Molar mass of CaSO_(4)=1365h mol^(-1) )

    100 mL of a water sample contains 0.81g of calcium bicarbonate and 0.73g of magnesium bicarbonate. The hardness of this water sample expressed in terms of equivalent of CaCo_3 is 10^x ppm. What is numerical value of x? (molar mass of calcium bicarbonate is 162 gmol^(-1) and magnesium bicarbonate is 146g mol^(-1))

    100g of a water samples is found to contain 12 mg of MgSO_(4) calculate the hardness of water sample.

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