Asked by jessica
A nurse wants to add water to 30 ounces of a 10% solution of benzalkonium chloride to dilute it to an 8% soultion. How much water nust she add?(hint water is 0% benzalkonium chloride)
Answers
Answered by
bobpursley
Benzalk:
.08(W+30)=.10*30
that says 8percent of the total solution has the same amount of benzyl as did the original solution.
Solve for W.
.08(W+30)=.10*30
that says 8percent of the total solution has the same amount of benzyl as did the original solution.
Solve for W.
Answered by
mimi
7.5 oz
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