If the mass ratio of K to F in a compound is 2.06:1, how many grams of F are needed to react with 97.5 g of K?

2016-10-24 5:22 am

回答 (1)

2016-10-24 5:25 am

Let m g be the mass of F needed.

2.06 : 1 = (97.5 g) : (m g)
m = 97.5 × 1 / 2.06 g = 47.3

Mass of F needed = 47.3 g

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