A nurse wants to add water to 30 ounces of 10% solution of benzalkonium chloride to dilute it to an 8% solution. How much water must she add?

Q: What amount of a 80% acid solution must be mixed with a 20% solution to produce 400 mL of a 50%…

A: Topic - percentage and equation in one variable

Q: Mildred, a pharmacist, was required to prepare 10 L of a 40% alcohol solution by mixing the flowing.…

A:

Q: A recipe for Arabiatta Sauce makes 2 quarts and calls for 1 pint of tomato puree. Ifyou need to make…

A: Given  For 2 quarts we need 1 pint of tomato puree

Q: To mix plaster for a dental model, 45 mL of water is used for 100g of plaster. How many mL of water…

A:

Q: Forty-five ounces of pure grapefruit juice are added to 30oz of a fruit punch that is 20% grapefruit…

A: If a solute and a solvent are mixed together to form a mixture, then the concentration of the solute…

Q: How much water must be evaporated from 5 qt of a 45% antifreeze solution to produce a 75%…

A: To find amount of water to be evaporated from the 45% solution to produce 75% solution.let the…

Q: A max strength Tylenol has 500 mg of acetaminophen per tablet. if the bottle has 30 tablets, how…

A: According to the question, the maximum strength Tylenol has 500 mg of acetaminophen per tablet. So,…

Q: In order to remove water from a flooded basement, two pumps, each rated at 40 gallons per minute,…

A:

Q: A recipe calls for 2 teaspoons of sugar for every 3 cups of flour. How much sugar will be needed for…

A:

Q: Five grams of sugar are added to a 45-gram serving of a breakfast cereal that is 10% sugar. What is…

A: Amount of sugar in a 45-gram serving

Q: To make a "jasper green" shade of paint, mix 4 quarts of green paint with cups of black paint. How…

A: Given: 4 quarts ofgreen paint mixed with 2/3 cups of black to get jasper green shade how much of…

Q: .A hospital staff mixed a 75% disinfectant solution with a 25% disinfectant solution. How many…

A: Let x be the liters of 75% solution needed and y be the liters of 25% solution needed.

Q: A recipe for 12 servings of soup calls for 8 cups of chicken broth. How many  cups of broth are…

A: The number of cups of chicken broth required to make a recipe for 12 serving of soup  = 8 cups

Q: mrs. denman bought a loaf of bread which weighed three fourths of a pound. if her family ate half of…

A: Since we know 1 pound =16 oz

Q: Mitch mixes 5 parts white paint to 8 parts blue paint. If he has 2 qt of white paint, how much blue…

A:

Q: A grocer is mixing 80 cents per lb. Coffee with 60 cents per lb. Coffee to make a mixture worth 74…

A: It is given that, Worth of the first type of coffee = 80 cents per lb. Worth of the second type of…

Q: A candy distributor needs to mix a 40% fat-content chocolate with a 60% fat-content chocolate to…

A: Given: Two types of chocolates one with 40% fat content and the other one with 60% fat content…

Q: A chemist needs to make 2 liters of a 15% acid solution from a 10% acid solution and a 35% acid…

A: Volume of 15% acid solution=2 liters

Q: One serving of wheat square cereal has 7 grams of fiber, which is 28% of the recommended daily…

A: Given ,  One serving of wheat square cereal has 7 grams of fiber, which is 28% of the recommended…

Q: Belle, a 14 pound cat, is suffering from joint pain. How much medicine should the veterinarian…

A:

Q: A tree nursery sells six times as many maple trees as oak trees. If sales for the month totaled…

A: Given that a tree nursery sells six times as many maple trees as oak trees. Let us assume that…

Q: A nurse mixes 60 cc of a 50% saline solution with a 10% saline solution to produce a 25% saline…

A: Let us assume that, x amount of 10% solution used.  60 cc = 50% solution  x = 10% solution  When we…

Q: A recipe uses 5 cups of milk to make 10 servings. If the same amount of milk is used for each…

A: Recipe used : 5 cups of milk to make 10 servings. For 3 quarts, Servings = ?

Q: How many quarts of water must be added to 4 gal of soup that is 50% chicken broth to make the soup…

A: We have to find the number of quarts of water must be added to 4 gal of soup that is 50% chicken…

Q: krizel has 700 mL of a 50% Salt solution. How much of a 80% solution must she add so the final…

A: Let 'x' mL be the 80% solution. And (x + 700) mL = Total mL of 60% solution

Q: how many liters each of a 40% antifreeze solution and a 80% antifreeze solution must be mixed to…

A: Let x liters of 40% antifreeze solution and (8-x) liters of a 80% antifreeze solution must be mixed.…

Q: A nurse wants to add water to 50 ounces of 10% solution of benzalkonium chloride to dilute it to an…

A:

Q: What quantity of a 75% acid solution must be mixed with a 25% solution to produce 600 mL of a 40%…

A: 75% of acid to be mixed with 25% of solution to make 600ml of 40% solution.

Q: A biologist has two brine solutions, one containing 10% salt and another containing 70% salt. How…

A:

Q: A hospital staff mixed a 75% disinfectant solution with a 25% disinfectant solution. How many liters…

A:

Q: A jeweler has five rings, each weighing 18 grams, made of alloy of 10% silver and 90% gold. He…

A: Given:A jeweler has five rings, each weighing 18 grams, made of alloy of 10% silver and 90% gold. He…

Q: If gasoline costs $2.399 per gallon at your local station, and you fill up your car with 11.25…

A: gasoline costs $2.399 per gallon at your local station, and you fill up your car with 11.25 gallons

Q: How much water should be added to 12mL of alcohol solution to reduce the concentration of 6%?

A: Add 12 ml will reduce the concentration by 2. To u have the same amount of alcohol but in double the…

Q: One liter of a 25% sugar solution is mixed with 3 liters of 40% sugar solution. What is the…

A: The percentage amount of the solute in the solution determines the relative amount of the solute.…

Q: How much alcohol must be added to 24 gallons of a 14% solution of alcohol in order to produce a 20%…

A: Let x gallon alcohol has to be added.  So total amount of the mixture is = (x+24) gallons   24…

Q: The Hippo Tang fish at the zoo requires the 1100 gallon tank to be 8​% salt. After a period of​…

A:

Q: How many liters of pure water should be mixed with a 4​-L solution of 60​% acid to produce a mixture…

A: Let x be a liter of water to add to produce a solution that is 80% water Therefore, 40%4=401004=1.6…

Q: A chemist has 70 mL of a 50% methane solution. How much of a 80% solution must she add so the final…

A: Assume x ml of 80% solution is added.

Q: Suppose you bought 10 six packs of soda, each six pack containing six 12 ounce cans. How many…

A: Total ounces of soda bought:

Q: A barista needs to mix a 20% coffee solution with concentrated coffee (100%) to produce 9 liters of…

A: Let x be the amount in liters of mixture of concentration 20% and y be the amount in liters of…

Q: A nurse mixes 60 cc of a 70% saline solution with a 20% saline solution to produce a 30% saline…

A:

Q: A nurse must mix 15L of a 10% solution of a drug with some 60%

A: Let x liters of 60% solution will be needed total amount of solution is (x+15)

Q: what quantity of 80 percent acid solution must be mixed with a 20 percent base solution to produce…

A: Given, 80 percent acid solution mixed with a 20 percent base solution which produce 1080 ml of a 50…

Q: The population of a town increased by 4% from 32,000. What was the population after the increase?

A: This question is related to percentages, we will solve it using given information.

Q: What amount of a 60% acid solution must be mixed with a 35% solution to produce 300 mL of a 55%…

A:

Q: A nurse mixes 60 cc of a 50% saline solution with a 30% saline solution to produce a 42% saline…

A:

Q: A type of steel used for bicycle frames contains 5g of manganese in every 400g of steel. How much…

A:

Q: How much water must be added to a 6​-liter solution that contains 7​% extract of baneberry to get a…

A:

Q: A recipe for 8 servings of soup calls for 6 cups of vegetable broth. How many cups of broth are…

A: Given that, a recipe for 8 servings of soup calls for 6 cups of vegetable broth. Therefore, for 1…

Q: two thousand kg of steel containing 8% nickel is to be made by mixing steel containing 14% nickel…

A: We use linear equations to solve the given problem.