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Theresa Morgan, a chemist, has a 25% hydrochloric acid solution and a 70% hydrochloric acid solution. How many liters of each should she mix to get 945 liters of a hydrochloric acid solution with a 60% acid concentration? liters of 25% hydrochloric acid solution. liters of 70% hydrochloric acid solution. Melanie invests a total of $7,000 in two accounts paying 6% and 7% annual interest, respectively. How much was invested in each account if, after one year, the total interest was $435.00. was invested at 6% and was invested at 7%.

Theresa Morgan, a chemist, has a 25% hydrochloric acid solution and a 70% hydrochloric acid solution. How many liters of each should she mix to get 945 liters of a hydrochloric acid solution with a 60% acid concentration? liters of 25% hydrochloric acid solution. liters of 70% hydrochloric acid solution. Melanie invests a total of $7,000 in two accounts paying 6% and 7% annual interest, respectively. How much was invested in each account if, after one year, the total interest was $435.00. was invested at 6% and was invested at 7%.

Principles of Modern Chemistry
Principles of Modern Chemistry
8th Edition
ISBN:9781305079113
Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Chapter11: Solutions
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Theresa Morgan, a chemist, has a 25% hydrochloric acid solution and a 70% hydrochloric acid solution. How many liters of each should she mix to get 945 liters of a hydrochloric acid solution with a 60% acid concentration? liters of 25% hydrochloric acid solution. liters of 70% hydrochloric acid solution.
Transcribed Image Text:Theresa Morgan, a chemist, has a 25% hydrochloric acid solution and a 70% hydrochloric acid solution. How many liters of each should she mix to get 945 liters of a hydrochloric acid solution with a 60% acid concentration? liters of 25% hydrochloric acid solution. liters of 70% hydrochloric acid solution.
Melanie invests a total of $7,000 in two accounts paying 6% and 7% annual interest, respectively. How much was invested in each account if, after one year, the total interest was $435.00. was invested at 6% and was invested at 7%.
Transcribed Image Text:Melanie invests a total of $7,000 in two accounts paying 6% and 7% annual interest, respectively. How much was invested in each account if, after one year, the total interest was $435.00. was invested at 6% and was invested at 7%.
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