# Solutions, mixtures

We have 2 liters of 20% solution available. How much 70% solution do we need to add to get a 30% solution?

## Correct answer:

Tips for 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 are looking for its solution? Or do you have a quadratic equation?

Tip: Our volume units converter will help you convert volume units.

Do you have a linear equation or system of equations and are looking for its solution? Or do you have a quadratic equation?

Tip: Our volume units converter will help you convert volume units.

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

#### Units of physical quantities:

#### Themes, topics:

#### Grade of the word problem:

## Related math problems and questions:

- Concentration 27551

We need a 4% solution of H2O2 (hydrogen peroxide) for the disinfection solution. We only have a 40% solution available. How much water do we need to add to 100ml of the original solution to obtain the desired concentration? - Fertilizer

I have 4 liters of 10% fertilizer. How much water do I need to add to have a 2% solution? - Alcohol

How much 56% alcohol do we need to pour into 22 liters 78% alcohol to get p3% alcohol? How much 76% alcohol do we get? - Grams

How many grams of 5% solution do we need to add to 100g of 50% solution to get a 20% solution?

- Solution 3092

How many liters of 80% alcohol need to be mixed with 4 liters of 40% alcohol to get 70% alcohol? How many liters of 70% solution do we get? - Solutions 70424

To what extent do we need to mix 82% and 54% solutions to get a 76% solution? - Alcohol 4441

How much 55% alcohol do we need to add to 2 liters of 80% alcohol to produce 60% alcohol? How much is 60% of alcohol made? - Hydrogen 18823

I have 1 liter of 9% hydrogen peroxide, making it a 3% solution. How much water do I need to add? - Solutions, mixtures

How many liters of 70% solution must we add to 5 liters of 30% solution to give us a 60% solution?

- Distilled 83093

The 50% salt solution must be diluted with distilled water to make 20 liters of 35% solution. How many liters of original solution and how many liters of water do we need? - Copper sulphate

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 the resulting solution and compare them. ) - Water mixing

There are 5 liters of water at 75°C in the pot. How much water at 10°C do we have to add to the resulting temperature of 55°C? - KOH

How many g of 20% KOH solution do we need to mix with 500 g of 30% KOH solution to obtain a 25% KOH solution? - Salt water

The ratio of water (in liters) to salt (in grams) needs to be 3 to 2. If we add 10 grams of salt, how much water do we need to add?

- CuSO4 mixture

How many grams of solid CuSO4 do we have to add to 450g of 15% CuSO4 solution to produce a 25% solution? - Wealthiest 61834

Iron is produced in a blast furnace from iron ore. The wealthiest iron ore is magnetite, which contains 45-70% iron. How much magnetite do we need to get 3 tons of iron? - Milk mixing

You have 12 liters of milk with a temperature of 20°C. How much milk at 80°C do you have to add to have milk at 30°C?