Mathematics, 24.06.2019 11:30 lollipop83
Ascientist needs 30% solution of acid. he has 4 liters of a 20% solution. how much pure acid does the scientist need to add to get the 30% solution? answer using a table and using one variable only.
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Ascientist needs 30% solution of acid. he has 4 liters of a 20% solution. how much pure acid does th...
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