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10 October, 14:54

Consider the reaction cacn2 + 3 h2o → caco3 + 2 nh3. how much nh3 is produced if 187 g of caco3 are produced? 1. 2.13 mol 2. 63.6 mol 3. 3.74 mol 4. 36.1 mol 5. 1.06 mol 6. 72.3 mol

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  1. 10 October, 18:17
    0
    Equation is as follow,

    CaCN ₂ + 3 H ₂ O → CaCO ₂ + 2 NH ₃

    According to this equation,

    When,

    100 g CaCO₃ (1 mole) is produced when = 34 g NH₃ (2 moles) is produced

    So,

    187 g CaCO₃ will be produced then = X g of NH₃ will produce

    Solving for X,

    X = (187 g * 34 g) : 100 g

    X = 63.58 g of NH₃ will be produced

    Result:

    Option-2 is correct answer.
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