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6 July, 11:19

How many moles of kl are contained in 100.0ml of a. 20m solution?

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  1. 6 July, 12:10
    0
    0.020 mol

    Step-by-step explanation:

    dа ta:

    V = 100.0mL

    c = 0.20 mol·L⁻¹

    Calculations:

    Molarity = moles/litres

    c = n/V

    Multiply each side by V: n = cV

    (a) Convert millilitres to litres

    100.0 mL * (1 L/1000 mL) = 0.1000 L

    (b) Calculate the moles

    n = 0.1000 L * (0.20 mol/1 L) = 0.020 mol

    The solution contains 0.020 mol of KI.
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