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1 December, 00:49

For the chemical reaction

2HCl+Ca (OH) 2--->CaCl2+2H2O

What mass of CaCl2 is made from 3.59 mol HCl?

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Answers (1)
  1. 1 December, 00:59
    0
    Mass = 199.21 g

    Explanation:

    Given dа ta:

    Moles of HCl = 3.59 mol

    Mass of CaCl₂ = ?

    Solution:

    Chemical equation:

    2HCl + Ca (OH) ₂ → CaCl₂ + 2H₂O

    we will compare the moles of HCl with CaCl₂ from balanced chemical equation:

    HCl : CaCl₂

    2 : 1

    3.59 : 1/2*3.59 = 1.795

    3.59 moles of HCl will produced 1.795 moles of CaCl₂.

    Mass of CaCl₂.

    Mass = number of moles * molar mass

    Mass = 1.795 mol * 110.98 g/mol

    Mass = 199.21 g
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