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6 March, 15:00

When 2.94 g of a metal combined with fluorine gas, 7.47 g of a metal fluoride formed. Given this information, calculate the mass %F in the metal fluoride that formed.

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  1. 6 March, 17:03
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    The mass % F in the metal fluoride that is formed is 60.64%

    calculation

    Step 1: calculate the mass of fluorine (F)

    mass of F = mass of metal fluoride - mass of the metal

    = 7.47 g - 2.94 g = 4.53 g

    Step 2: calculate the % mass of F

    Mass % of F = mass of F / mass of metal fluoride x 100

    mass % of F is therefore = 4.53 g / 7.47 x 100 = 60.64%
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