Mathematics, 31.08.2020 01:01 toot3715
A lab technician needs 60mL of 25% acid solution for a certain experiment , but he has only 10% solution and 40% solution. How many milliliters of the 10% and the 40% solutions should he mix to get what he needs?
Answers: 3
Mathematics, 21.06.2019 15:00, m4167281
Achemist has 200 ml of a 10% sucrose solution. she adds x ml of a 40% sucrose solution. the percent concentration, y, of the final mixture is given by the rational function: the chemist needs the concentration of the final mixture to be 30%. how many milliliters of the 40% solution should she add to the 10% solution to get this concentration?
Answers: 1
Mathematics, 21.06.2019 18:30, kevin72937
Three times the sum of a number and seven is negative thirty-six. what is the number?
Answers: 2
Mathematics, 21.06.2019 23:10, kleighlamb4850
Which best describes the function on the graph? direct variation; k = −2 direct variation; k = -1/2 inverse variation; k = −2 inverse variation; k = -1/2
Answers: 2
A lab technician needs 60mL of 25% acid solution for a certain experiment , but he has only 10% solu...
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