Table salt contains 39.33 g of sodium per 100 g of salt. The U. S. Food and Drug Administration (FDA) recommends that adults consume less than 2.40 g of sodium per day. A particular snack mix contains 1.24 g of salt per 100 g of the mix. What mass of the snack mix can you consume and still be within the FDA limit?

Question

Giana Middleton

Chemistry

9 September, 20:28

Table salt contains 39.33 g of sodium per 100 g of salt. The U. S. Food and Drug Administration (FDA) recommends that adults consume less than 2.40 g of sodium per day. A particular snack mix contains 1.24 g of salt per 100 g of the mix. What mass of the snack mix can you consume and still be within the FDA limit?

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Jane · Answer 1

First set up the equation 39.33g/100g = x/1.28g and that'll give you how much sodium is in each 100g of the mix.

39.33g * 1.28g = 100g * x

x = 0.503424g

x = Amount of sodium per 100g of the mix

Now 2.4g / 0.503424 = 4.7674

Multiply by 100 and you get 476.7353g