meganconley148
meganconley148 meganconley148
  • 03-12-2020
  • Mathematics
contestada

how many quarts of a 75% acid solution must be mixed with 3 quarts of a 10% acid solution to make a 60% acid solution

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mopuribalu2122
mopuribalu2122 mopuribalu2122
  • 03-12-2020

Answer:

yes it is correct tq

Step-by-step explanation:

my friend

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oscar236
oscar236 oscar236
  • 03-12-2020

Answer:

10 quarts.

Step-by-step explanation:

Work with amounts of pure acid.

There is 0.10*3 quarts of pure acid in the 10% solution.

3*0.10 + 0.75x = 0.60(x + 3)    where x is the number of quarts of 75% acid.

0.30 + 0.75x = 0.60x + 1.8

0.15x = 1.5

x = 10 .

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