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29 May, 14:13

What volume (mL) of a 15% (m/v) NaOH solution contains 120 g NaOH

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  1. 29 May, 14:21
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    8.0*10^2

    Explanation:

    What volume (in milliliters) of a 15% (m/v) NaOH solution contains 120 g NaOH?

    For 15% (m/v), the conversion factor can be 15%/100 mL or 100 mL/15%. In this case, 100 mL/15% is used because we need mL as our final expression. 100 mL/15% * 120 g NaOH = 800 mL NaOH. In scientific notation: 8.0*10² or 8.0e² mL NaOH.
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