# chemistry

posted by .

Calculate the mass of the solid you must measure out to prepare 100 mL of 0.025 M CuSO4.

Note that this salt is a hydrate, so its formula is CuSO4⋅5H2O. You must include the waters of hydration when calculating the formula weights.

Would the following set-up yield the correct answer?

(100 mL CuSO4⋅5H2O) x (1 L CuSO4⋅5H2O / 1000 mL CuSO4⋅5H2O) x (0.025 mol CuSO4⋅5H2O / 1 L CuSO4⋅5H2O) x (249.7 g CuSO4⋅5H2O / 1 mol CuSO4⋅5H2O)

= 0.624 g CuSO4⋅5H2O

Any feedback is appreciated. Thanks!

• chemistry -

CuSO4.5H2O

RMM=249.68

For 1000 ml of 1M need 249.68g

For 100 ml of 1 M need 24.968 g

For 100 ml of 0.025 M need 24.968 x 0.025 = 0.0624 g

Yes, agreed.

• chemistry -

How many grams of S are needed to produce 10g of CuS?

## Similar Questions

1. ### Chemistry

Is the decomposition equation for copper sulphate hydrate (CuSO4.5H2O) as follows: CuSO4+5H2O?
2. ### Chemistry

Anhydrous CuSO4 can be used to dry liquids in which it is insoluble. The CuSO4 is converted to CuSO4.5H2O, which can be filtered off from the liquid. What is the minimum mass of anhydrous CuSO4 needed to remove 12.4g H2O from a tankful …
3. ### chemistry

A sample of a hydrate of CuSO4 with a mass of 250 grams was heated until all the water was removed. The sample was then weighed and found to have a mass of 160 grams. What is the formula for the hydrate?
4. ### Chemistry

I'm going crazy please help me out part 1 of 2 Determine the mass of anhydrous copper(II) sulfate that must be used to prepare 250 mL of 2.01 M CuSO4(aq). Which i found to be 80.204g part 2 of 2 Determine the mass of CuSO4.5H2O that …
5. ### Chemistry

Hi I need with with a prelab calculation for a Hydrate Crystal lab and I am so confused @_@ You don't really need to solve it if you don't want to, I just need an example on how to do these problems 1) Find the mass of the water that …
6. ### chemistry

I need help with this lab. Write the equation for the decomposition of the hydrate, CuSO4*XH2O. Mass of crucible and hydrate: 93.000g Mass of crucible and pure salt: 91.196g I need to calculate the following: 1. mass of water in hydrate …
7. ### Chemistry

I need help with this lab. Write the equation for the decomposition of the hydrate, CuSO4*XH2O. Mass of crucible and hydrate: 93.000g Mass of crucible and pure salt: 91.196g I need to calculate the following: 1. mass of water in hydrate …
8. ### chemistry

i find it confusing on how to do this question.. what mass of solute is needed to prepare 400 mL of 0.850 M CuSO4 from CuSO4.5H2O
9. ### chemistry

If a 8.6195 g of a mixture which contains (20.0 % of CuSO4.XH2O and 80.0 % of sand) was heated in a crucible then cooled in the desiccator the mass obtained was 7.9976 g. a- Find X the number of water of hydration in the Hydrate (CuSO4.XH2O) …
10. ### chemistry

How many grams of CuSO4 . 5H2O are needed to prepare 100ml of a 0.10M solution?

More Similar Questions