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3 June, 05:50

The following questions involve the quantities of some materials you will be using in the calorimetry lab. Keep a copy of your answers, so you will not have to recalculate them in the lab. (a) How many moles of NH3 will you be using in Part C of the calorimetry experiment?

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  1. 3 June, 05:59
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    0.075 moles

    Explanation:

    Molarity = Mass / Molar Mass*1000/Volume (ml)

    Mole = Mass / Molar mass

    Given

    Molarity = 1.50 moles/ml

    Volume = 50 ml

    ∴ moles = Molarity*Volume/1000

    =1.50 * 50 / 1000

    =0.075 moles
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