# Yahoo Web Search

1. ### How much water do we need to add to 100 grams of CuSO4x5H2O, so that we can get 8% solution of CuSO4?

... form of CuSO4. 1 mole CuSO4 carries 5... is 90/249.6 * 100 = 56.4% 100 g CuSO45H20 therefore... = 56.4 g In order to make a 8 % solution from 43.6 g CuSO4...

1 Answers · Science & Mathematics · 02/12/2013

2. ### chemistry..solution question?

...10^ -2 X(10^ -2)= 100 (10^ -3) X = 100 (10^ -3)/(10^ -2) = 100 (10^ - 1 ) = 10.0 mL diluted to 100 mL All terms have 3 significant digits. 2. X...

1 Answers · Science & Mathematics · 27/07/2009

3. ### how much energy is required to change 1 .00kg of ice at 0'c to steam at 100 'c?

... the energy required to raise the temperature of the water from 0°C to 100 °C. (Specific Heat Capacity) c) Finally...

2 Answers · Science & Mathematics · 26/03/2011

4. ### What volume of a 12.0 M H2SO4 stock solution would you need in order to prepare 100 mL of 1 .50 M H2SO4?

Volume 12.0 M H2SO4 stock needed = moles 100 mL 1 .50 M / moles stock in 1000 mL * 1000 mL = (0. 100 L...

3 Answers · Science & Mathematics · 03/11/2014

5. ### Calculate the pH after .020 mol HCl is added to 1 .00 L of . 100 M propanoic acid (HC3H5O2, Ka = 1 .3 x 10^-5?

HCl is a strong acid ( 100 % dissociated) Concentration of [H+] from...020 M and can be ignored. pH = -log(0.020) = 1 .70 NOTE: Let HA represent HC3H5O2...

3 Answers · Science & Mathematics · 13/03/2010

6. ### how do you convert 100 celcius to 100 degrees farenheit?

You can't-- 100 degrees Celsius is equal to 212 degrees Fahrenheit. An easy formula to use is F = ( 1 .8 x C) + 32.

4 Answers · Science & Mathematics · 21/11/2007

7. ### You have a solution that is 1 .75 M H2SO4 (sulfuric acid). How many mLs of this acid do you need to prepare 100ml of 0.183 M H2SO4?

M1V1 = M2V2 ( 1 .75 mol/L) (x) = (0.183 mol/L) ( 100 mL) x = 10.457 mL Round off as you see fit.

1 Answers · Science & Mathematics · 20/04/2014

8. ### Help With Chemistry Questions ?

1 . There are several ways to think about this, but it's really simple. ...? 20 / 1000, which gives you 0.02 kg in 100 kernels. Next, what do you do to 0.02 kg to make it 2 Kg? ...

1 Answers · Science & Mathematics · 10/11/2013

9. ### How much 50% wt/wt NaOH do I need to make 1 liter of 0. 100 M solution?

...make 1 liter of 0. 1 Molar solution you will need 0. 1 mole, or 4.0 grams of NaOH in solution. ... the mass, not the volume, of solution you will need. To find the volume of solution you need to know the density of the...

2 Answers · Science & Mathematics · 25/09/2011

10. ### Chemistry Help! :(? I need to convert ATOMS to MOLES.?

( 100 atoms Ar / 1 ) * ( 1 mol Ar / 6.022e23 atoms Ar) = 1 .66e-22 mol Ar. ( 1 atom S / 1 ) * ( 1 mol S / 6.022e23 atoms S) = 1 .66e-24 mol S.

2 Answers · Science & Mathematics · 12/01/2011