A chemist has one solution which is 50% acid and a second which is 25% acid. How much of each should be mixed to make 10 litres of 40% acid solution.

Q: A doctor prescribes 4 oz of 7.5% hydrocortisone to a patient. Hydrocortisone is available in 10% and…

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Q: A solution of ethyl alcohol that is 75% alcohol by weight is to be used as a bactericide. The…

A: Consider the provided information, Let x is grams of water and y is grams of 95% ethyl alcohol. So,…

Q: Lola bought 3 bushels of barley.she wants to pour all of the barley into containers that can hold…

A: Total quantity of Barley = 3 Bushels We know that 1 Bushel = 37.23 quarts. Therefore, total quantity…

Q: The regular dose of Benadryl for a 60-pound child is 12 mg every 6 hours. To get 2 mg of Benadryl,…

A: The regular dose of Benadryl for a 60-pound child is 12 mg every 6 hours. To get 2 mg of Benadryl,…

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: Algebra Question

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Q: How many cups of pure water should be mixed with 6.5 cups of a 30% acid solution to dilute it into a…

A: Given    6.5 cups of 30% acid solution to dilute it ito a 2% acid solution.

Q: Michael has 30 ounces of a 30% of salt solution. How much salt should be added to make it a 35%.

A: Given that,30 ounces of a 30% of salt solution.Calculate the quantity of salt to be added to make it…

Q: How many grams of pure acid must be added to 40 grams of a 20% acidsolution to make a solution which…

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Q: One solution was 10% glycol and another was 40% glycol. How much of each should be used to get 800…

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Q: A nontoxic furniture polish can be made by combining vinegar and olive oil. The amount of oil should…

A: Let amount of vinegar needed is denoted by = Vamount of olive oil needed is denoted by = O

Q: D. Amy needs to make 10 L of 42% sulphuric acid solution. In the supply room, she finds bottles of…

A: Amy needs to make 10 L of 42% sulphuric acid solution. In the supply room, she finds bottles of 30%…

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.