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4 November, 16:23

What is the resultant molarity of 20mL of a 3.5M solution is diluted to 100mL? Will mark brainliest

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  1. 4 November, 16:47
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    The resultant molarity is 0,7 M.

    Explanation:

    A dilution consists of the decrease of concentration of a substance in a solution (the higher the volume of the solvent, the lower the concentration).

    We use the formula for dilutions:

    C1 x V1 = C2 x V2

    3,5 M x 20 ml = C2 x 100ml

    C2 = (3,5 M x 20 ml) / 100ml

    C2 = 0,7M
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