SOLUTION: A certain drug is made from only two ingredients: compound A and compound B. There are 7 milliliters of compound A used for every 4 milliliters of compound B. If a chemist

Question 1098999: A certain drug is made from only two ingredients: compound A and compound B. There are
7
milliliters of compound A used for every
4
milliliters of compound B. If a chemist uses
553
milliliters of compound A, how many milliliters of the drug will be made?

Found 2 solutions by ikleyn, KMST:
Answer by ikleyn(52769) (Show Source): You can put this solution on YOUR website!
.

+ 553 mL.

Answer by KMST(5328) (Show Source): You can put this solution on YOUR website!
A chemist would not think that a compound should be measured in milliters.
A chemist would know that if you mix 4.00 mL of a liquid and 7.00 mL of another,
you do not get exactly 11.00 mL of liquid.
A chemist would also know that if you try to react 4 grams of one compound and 7 grams of another compound,
there is likely to be leftover unreacted compounds, and impurities resulting from unwanted reactions.
Besides, it usually takes several reactions to make a drug, with pilurifications of the intermediate compounds formed along the way.

Assuming that 7 mL of compound A fully reacted with 4 mL of compound B, to yield 4+7=11 mL of compound C,
the ratio of volume of compound C produced to volume of compound A used would be
.
Using 553 mL of compound A would result in the production of
of compound C.

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