You need a 60% alcohol solution. On hand, you have a 220 mL of a 30% alcohol mixture. You also have 80% alcohol mixture. How much of the 80% mixture will you need to add to obtain the desired solution? You will need mL of the 80% solution

Q: The order is for 7.5 mL of Lanoxin. If the label on the bottle reads 50 mcg per mL, how much…

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Q: Jay is mixing 30 ounces of a 5% glucose solution with a 9% glucose solution.  This mixture produces…

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Q: You need a 45% alcohol solution. On hand, you have a 60 mL of a 40% alcohol mixture. You also have…

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Q: mix a solution that is 60% acid with a solution that is 100% acid to make 12 L of a solution that is…

A: We have to find quantity required.

Q: A chemist needs 12L of a 40% alcohol solution. She must mix a 12% solution and a 50% solution. How…

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Q: A chef is going to use a mixture of two brands of Italian dressing. The first brand contains 8%…

A: Suppose that, x mL of 8% vinegar is used in the mixture and 380 - x mL if 30% vinegar is used in the…

Q: One solution was 20% iodine and another was 60% iodine. How much of each should be used to get 360…

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Q: A chemistry teacher needs to mix a 30% salt solution with a 70% salt solution to make 20 qt of a 40%…

A: Given that A chemistry teacher needs to mix a 30% salt solution with a 70% salt solution to make 20…

Q: A 12% tin alloy is to be melted with an 18% tin alloy.   How many kilograms of each tin alloy must…

A: Alloy 1 =  12 % Alloy 2  = 18% Let the quanity of alloy 1 =x  Then , quanity of allo 2 = 15 -x