121 Answered Questions for the topic Mixture Problems

01/02/19

Mixture problems

A mixture of metal power aluminum and iron oxide that has 12% aluminum and another mature that has 45% aluminum powder. How much of each do you need to make together to get 50 kg of thermite which... more

09/30/18

Seventy-five milliliters of a 10% acid solution are mixed with 30mL of 2.5% acid solution. How much acid is in the mixture?

Seventy-five milliliters of a 10% acid solution are mixed with 30mL of 2.5% acid solution. How much acid is in the mixture? 

09/29/18

An alloy that is 50% silver is mixed with 500 g of a 5% silver alloy. How much of 50% alloy must be used to obtain an alloy that is 20% silver ?

An alloy that is 50% silver is mixed with 500 g  of a 5% silver alloy. How much of 50% alloy must be used to obtain an alloy that is 20% silver ? 

09/18/18

how many of each type of bar did she buy

Susan bought a combination of peanut bars and chocolate bars. If the peanut bars cost $0.69 and $0.59 respectively and the total amount Susan paidfor the 17 camdy bars was $10.83 how many of each... more

09/14/18

how many liters of each solution will be required to make the mixture?

nora works at a pharmaceutical company as a chemist. to meet the demands of the clients she was told to prepare 100 liters of 25% solution, she has on hand a 15% alcohol solution and a 40% alcohol... more

08/02/18

Solving a percent mixture problem using a system of linear equations

Two factory plants are making TV panels. Yesterday, Plant A produced 2000 fewer panels than Plant B did. Four percent of the panels from Plant A and 3% of the panels from Plant B were defective.... more

06/28/18

I don't know how to start solving this

Franco has a total of 200 feet of fencing. He wants to use all of the fencing to create a small rectangular garden. The garden will be 4 times as long as it is wide. Find the length and the width... more

05/04/18

If you wanted to mix pure methane with water and end up with 140 gallons of 40% methane, how many gallons of each should you use?

How many gallons of water and methane should be used

05/04/18

How many liters of the 65% alcohol solution should be used?

A chemist wants to mix a 65% alcohol solution with 10 liters of a 45% alcohol solution to produce a solution that is 55% alcohol. How many liters of the 65% alcohol solution should be used?

05/04/18

how many pounds of pecans must be mixed with three pound of walnuts?

A candy store sells walnuts for $6 per pound, and pecans for $2 per pound. If the store wants to create a bag of mixed nuts that sells for $4 per pound, how many pounds of pecans must be mixed with... more

04/11/18

how Many pounds of chocolate are needed

how Many pounds of chocolate costing $14.50 per pound should be mixed in 18 pounds of trail mix costing $4.30 a pounds to create a mixture that cost $8.94 per pound. How much chocolate does the... more

04/10/18

How to solve this percent mixture problem?

Hello, I was able to solve the percent mix problem before this one, but this just has me stumped for some reason. I'm having trouble understanding how to step up mixture equations.   Two factory... more

03/13/18

How much pure acid is in x MLof a 17% acid solution.

Word problem. 

03/13/18

how much pure alcohol is in 2L of 20% alcohol solution

this is a word problem.

03/10/18

How much of a solution that is 18% fertilizer must be mixed with a solution that is 30% fertilizer to get 50 gallons of solution that is 27% fertilizer?

I would just like to know the answer it’s ok if you don’t explain it

03/04/18

Mixture problem

a chemist has 30g of a 10% salt solution. He wants to increase the salt content to 20% . How much water does he need to evaporate?

03/03/18

How many liters of acid should be added to 60l of a 25% acid solutions in order to produce a 40% acid solution

how many liters of acid should be added to 60 l of a 25% acid solution in order to produce a 40% acid solution

02/25/18

Substitution method, mixture problem

A chemist needs 15 liters of a 60% alcoholic mixture. The chemist has a mixture that is 50% alcohol. How many liters of the 50% alcohol solution and pure alcohol should the chemist mix together to... more

02/18/18

If you wanted to mix pure methane with water and end up with 100 gallons of 90% methane, how many gallons of each should you use?

If you wanted to mix pure methane with water and end up with 100 gallons of 90% methane, how many gallons of each should you use?

02/12/18

How many liters of a 90% acid solution must be mixed with a 15% acid solution to get 750 L of 80% acid solution

This is a mixture problem. It would be great to have an answer as soon as possible! Thanks!
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