Doreen Schmidt is a chemist. She needs to prepare - id28116078704 от gabrielmtrue 12.01.2020 05:21

Question

Mathematics: Doreen Schmidt is a chemist. She needs to prepare 28 ounces of a 11% hydrochloric acid solution. Find the amount of 14% solution and the amount of 7% solution she should mix to get this solution Concentration Ounces of Solution Ounces of Pure Acid rate First Solution 7% 0.07x Second 1 14% 1 y Solution 0.14 Mixture Needed 0.11(28) 28 How many ounces of the 14% acid solution should be in the mixture? ounces

gabrielmtrue · Accepted Answer

275 ftStep-by-step explanation:The formula given to use for the slant height l of the cone is ;l = (s - πr^2)/πNow substituting the parameters given in the question, 500 π for area and radius of 15, we have l = {500π-15^(2)π}/π l =( 500 π -225 π)/πl = 275 π/πl = 275 ft...

Doreen Schmidt is a chemist. She needs to prepare 28 ounces of a 11% hydrochloric

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