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How much dextrose 70% must be mixed with dextrose 5% to prepare 1000 ml of dextrose 20%?

Dwells

wrote...

Posts: 10

Rep:

7 years ago

How much dextrose 70% must be mixed with dextrose 5% to prepare 1000 ml of dextrose 20%?

How did you solve

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1 Reply

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Madresa

wrote...

#1

7 years ago

0.70(x) + 0.05(1,000-x) = .20(1000) ....That's the formula

0.70x + 50 - 0.05x = 200 Rightwards Arrow

Rightwards Arrow

.65x + 50 = 200 Rightwards Arrow

Rightwards Arrow

0.65x = 150 Rightwards Arrow

Rightwards Arrow

x = 230.77 mL Rightwards Arrow

Rightwards Arrow

0.70(230.77) + 50 - 0.05(230.77) = 200 Rightwards Arrow

Rightwards Arrow

161.54 mL of 70 % Dextrose and 11.54 mL of 5% Dextrose.

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