# 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 in the resulting solution and compare them. )

### Correct answer:

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?

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

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

## Related math problems and questions:

- Alcohol mixture

From 55% and 80% alcohol, we have to produce 0.2 kg of 60% alcohol. How many of them do we use in the solution? - Solutions

How much 60% solution and how much 35% solution is needed to create 100 l of 40% solution? - Fertilizer

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

We have to produce 2 liters of 60% alcohol from 55% and 80%. How many of which ones will we use in the solution? - CuSO4 mixture

How many grams of solid CuSO4 we have to add to 450g of 15% CuSO4 solution to produce a 25% solution? - Solutions, mixtures

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

From 55% and 80% spirit we would like to produce 0.2 kg of 60% spirit. How many of them we must use in a solution? - Grams

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

How many grams of salt should we dissolve in 400 g of water to get a 20% solution? - Solution

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? - Alcohol mixing

How much 64% of the alcohol must be poured into 6 liters of 85% alcohol to produce 79% alcohol? - Concentration

How many grams of 65% and 50% acid is to be mixed to give 240 g acid with a concentration of 60%? - Solutions, mixtures

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

How many kilograms of water do we have to evaporate from 100 kg of 32% acid to make it 80% concentration? - Alcohol mixing

How much 55% alcohol we must pour into 1500 g 80% alcohol to form a 60% alcohol? How much 60% alcohol created? - Pouring alcohol

100 liters of alcohol has 70% How many liters of water need to be added to have 60% alcohol? - Sea water

Mixing 62 kg of sea water with 84 kg rainwater is created water containing 3.1% salt. How many percent sea water contains salt?