A goldsmith mixes 10oz of a 35% gold alloy with 20oz of a 17% gold alloy. What is the percent concentration of the resulting alloy?

Q: A school nurse administers 2 teaspoons of Childrens Tylenol to a child who has a fever.  How many…

A: Now using the conversion rule of: 1 ounce = 6 teaspoon

Q: A new energy drink advertises 106 calories for 7oz. How many calories are in 21oz of the drink?

A: Given that a new energy drink advertises 106 calories for 7oz That is for 7oz energy drink…

Q: if you mix 10lbs of peanuts costing $1.50 per pound with cashews costing $2.50 per pound, how many…

A: Since you have submitted two questions, we'll answer the first question. For the second question…

Q: A magnesium alloy contains the following volumes of each element: 341.2 cubic decimeters of…

A: Note the formula we can use to calculate percentage of element in an alloy : Percentage of specified…

Q: the base of a rectangle is increased by 20% and the altitude is decreased by 10% by what percentage…

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Q: ) A chemistry teacher needs to make 10 L of 42% sulphuric acid solution. The acid solutions…

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Q: How much salt is in the tank after 30 minutes?

A: From the sub part (a), the function is obtained as, y(t) =24e-t100. Therefore, calculate the amount…

Q: A gallon of paint covers about 400 square feet. How thick is the layer of paint on the wall ? What…

A: We will use concept of volume to solve it.

Q: In a chemical mixture, 2 g of chemical A are used for each gram of chemical B, and 3 g of chemical C…

A: The ratio of B to A is 1:2 and the ratio of B to C is 1:3.

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: calculate the concentration of a solution in percentage by mass prepared by dissolving 10g of…

A: 10grams of solute is dissolved to get 11g of solution That means the solvent is 1 gram Therefore the…

Q: How many mL of a ½ strength magnesium sulfate solution will contain 10 grams of magnesium sulfate?

A: As per bartleby question answer guidelines. We only allow to solve one question at a time. Kindly…

Q: How many 14-milliliter14-milliliter doses of liquid medication can be given from a vial containing…

A: Vial contains a liquid medication of 28 deciliters. Now, 1 deciliter=100 milliliter⇒28…

Q: A man measuring a rectangle "x" meters by "y" meters, makes each side 15% too small. By how many…

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Q: A group of preschoolers has 25 boys and 21 girls. What is the ratio of girls to boys?

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Q: What quantity of pure acid muc=st be added to 2 gal of 30% acid solution to product a 60% acid…

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Q: How many mL of a 0.7% solution can be made with 4mg of a drug?

A: A percentage is just a hundredth fraction of anything and it is represented by %.  Therefore, 1%…

Q: A rectangular tank 6 m wide, 12 m long and 18 m high is 2/3 full of water. If 120 cubic meter of…

A: * Given data :-       A rectangular tank         1)  breadth = 6 m      2)   length = 12 m      3)…

Q: A hospital uses a 15% bleach solution to disinfect a quarantine area. How much 6% bleach solution…

A: Given: A hospital uses a 15% bleach solution to disinfect a quarantine area

Q: What is the strength (expressed as a percent) of a 250 mL solution that contains 5 g of NaCl? 9.

A: 9) What is the strength (expressed as a percent) of a 250 mL solution that contains 5 g of NaCl?

Q: The masses of two similar round mooncakes are 250 g and 54 g respectively.   If the mass of the…

A:

Q: if you mix 10 liters of pure water with 15 liters of a 30% alcohol solution, what is the…

A: It is given that 15 litres of a 30% alcohol solution is diluted with 10 litres of pure water. We…

Q: A 14-gram object has a volume of 35 cubic centimeters. Find its dens

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Q: A car owner buys 360 TL for gas every month, and since he bought 72 and 60 liters of gasoline in the…

A: We have to find average price

Q: How many moles of "ducks" can be produced from 12 moles of "peace signs"?

A: From the image we see that, using 3 moles of peace signs we can make 1 mole of duck. This means 1…

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: An ice cream cone is left sitting in the hot sun. Matty notices that the ice cream melts and loses…

A: NOTE: Refresh your page if you can't see any equations. . here the half-life is given so use the…

Q: Sixty ounces of a 30% gold alloy are mixed with 40 oz of a 10% gold alloy. Find the percent…

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Q: how many 5-ml doses of liquid medicine can be given from a vial containing 3 deciliters?

A: Recall the following unit conversion.

Q: A biologist has a 40%  Solution of the same plant nutrient. how many cubic centimeters of each…

A:

Q: What percent of the batches of water discharged exceed the 80 ppm standard?

A: Given: Calculate the required probability as follows:

Q: If a mixture calls for 320 fluid ounces of ethanol, how many quarts is that?

A: Ethanol means ethyl alcohol It is colourless flammable liquid.

Q: A pharmacist needs to make 400 mL of a 3% KCl solution by diluting a 6% KCl solution. How many mL of…

A: The initial percentage = 6%  The final percentage=3% So the percentage of KCI decreased by final…

Q: A hair dye is made by blending 7% hydrogen peroxide solution and a 4%hydrogen peroxide solution. How…

A:

Q: Jasmine is working on an experiment that calls for 4 cups of water and and cups of baking soda. What…

A: Consider the given information:

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

A:

Q: An energy drink contains 60 percent of the recommended daily amount off carbohydrates. If it…

A:

Q: The Boston Globe reported on June 12, 2011, that 3,000 bags of peanuts sold at Fenway would lead to…

A: Here we have to first determine the tons of peanut shells in each bag of the given peanut shells in…

Q: How many quarts of water must be added to 2 gal of soup that is 60% chicken broth to make the soup…

A: consider the equation

Q: A 40 gram alloy containing 35% gold is to be melted with a 20 gram alloy containing 50% gold. How…

A:

Q: A carpet is made with a blend of wool and other fibers. If the concentration of wool in the carpet…

A: Consider the given information: Weight of carpet is 183 pounds. Concentration of wool in carpet is…

Q: A tank contains 120 gal of brine made by dissolving 85 lbs of salt in water. Pure water runs

A:

Q: If 1 t of watermelons consist of 94% of water, how much weight the same number of watermelons when…

A: In one watermelon, the percentage of water and watermelon will remain the same overall weight.

Q: A carpet is made with a blend wool and other fibers. If the concentration of wool in the carpet is…

A: Given that the concentration of wool in the carpet is 75% and the carpet weighs in 161b. To find the…

Q: Suppose that 8% of a solution is fertilizer by volume and the remaining 92% is water. How much…

A: Given:  8% of a solution is fertilizer by volume and the remaining 92% is water. To find: The amount…

Q: If 12 doses of 1½ml are taken from a bottle that contains 40ml , what will be the remaining…

A:

Q: A chemist mixed 100 ml of an 20% saline solution with 70 ml of a 3% saline solution. Find the…

A: Let x be the percent concentration of the resulting mixture.The formula for resulting mixture…

Q: What percent of the tire treads will last less than 28,000 miles?

A: We know that region of thebnormal distribution curve always has 34% between the mean (μ) and mean -…

Q: If a car averages 18 miles per gallon, how many kilometers per liter is that?

A: See the attachment

Q: What percentage of adults eat more than 10.4 ounces of chicken in one sitting?

A: Let X denote the amount of chicken that adults eat in one sitting. Given that X follows N(mean = 8,…