Clogging

How much-distilled water must the pharmacist add to 30g of a 30% hydrogen peroxide solution to obtain a 3% solution to clogging?

Correct answer:

m =  270 g

Step-by-step explanation:


0.30 • 30 = 0.03 • (30+m)

0.03m = 8.1

m = 270

Our simple equation calculator calculates it.

Try another example


Did you find an error or inaccuracy? Feel free to write us. Thank you!



avatar




Tips to related online calculators
Our percentage calculator will help you quickly calculate various typical tasks with percentages.
Do you have a linear equation or system of equations and looking for its solution? Or do you have a quadratic equation?
Tip: Our volume units converter will help you with the conversion of volume units.

You need to know the following knowledge to solve this word math problem:

Related math problems and questions:

  • Disinfecting solution
    desinfect How much distilled water is necessary to pour into 500 ml of 33% hydrogen peroxide solution to obtain 3% disinfecting solution?
  • Peroxide
    peroxide_h How much distilled water (in liters) must pharmacists pour into 300 ml of 23.6% solution of hydrogen peroxide to get 2.7% solution to gargle?
  • Peroxide
    chemia How many ml should we pour 30% of peroxide (H2O2) into 100ml H2O to give a 20% solution?
  • Solutions, mixtures
    roztoky We have 2 liters of 20% solution available. How much 70% solution do we need to add to it to get a 30% solution?
  • Solutions, mixtures
    roztoky How many liters of 70% solution we must add to 5 liters of 30% solution to give us a 60% solution?
  • Solution
    chemia What amount of 80% solution and what amount of water is needed to mix in order to obtain two liters of 60% solution of this mixture?
  • Mixture 2
    roztoky How many liters of water must be added to 7 liters of a 20% solution to obtain a 10% solution?
  • Solutions
    bilde How much 60% solution and how much 35% solution is needed to create 100 l of 40% solution?
  • Copper sulphate
    CuSO4crystal How much g of water do we have to add to 240 g of an 84% CuSO4 solution to produce a 60% solution? (Express the mass of crystalline CuSO4 in the original solution and in the resulting solution and compare them. )
  • Grams
    chemia How many grams of 5% solution do we need to add to 100g of 50% solution to get a 20% solution?
  • Distilled water
    water2 Sea water contains 5% salt. How many distilled water should be pour to 40 kg of sea water so that the salt content is 2%. How many kilograms of 2% of sea water we get?
  • Water solution
    salt How many grams of salt should we dissolve in 400 g of water to get a 20% solution?
  • Fertilizer
    watermixing I have 4 liters of 10% fertilizer. How much water do I need to add to have a 2% solution?
  • Fertilizer
    okurky Mr. Gherkin use for fertilization 7% solution of fertilizer. 17 liters of it still left. How much water must be added to the solution to make only 3% solution?
  • Pharmacist
    roztoky The pharmacist had a 12 l vessel herbal lotion, which contained a 30% active ingredient. Her assistant poured 18 liters of herbal lotion containing 45% of the active ingredient into a container. What percentage of herbal lotion was produced?
  • Alcohol mixture
    pipe2 Three liters of 96 percent alcohol set up a certain amount of distilled water to form 54-percent alcohol. How many liters of distilled water was used?
  • CuSO4 mixture
    chemia How many grams of solid CuSO4 we have to add to 450g of 15% CuSO4 solution to produce a 25% solution?