# chemistry

how many mL of 5% BaCl2 X(multiplied) 2H2O are needed for 0.3500g pure sodium sulfate?

1. 👍 0
2. 👎 0
3. 👁 118
1. 5% BaCl2.2H2O means 5g of that material in 100 mL soln IF you mean 5% w/v. Convert 5g to moles. moles = grams/molar mass That will be moles/100 mL, multiply by 10 to obtain moles/L or molarity. Then
use this example to find moles BaCl2.2H2O needed.
http://www.jiskha.com/science/chemistry/stoichiometry.html

1. 👍 0
2. 👎 0

## Similar Questions

1. ### chemistry

One step in the isolation of pure rhodium metal (Rh) is the precipitation of rhodium(III) hydroxide from a solution containing rhodium(III) sulfate According to the following balanced chemical equation: Rh2(SO4)3(aq)+ 6NaOH(aq)→

asked by Jane on March 14, 2013
2. ### Chemistry

What will happen if a mixture of BaCl2.2h2O and KCl heated up to 150 centigrade ?

asked by Ashen on May 28, 2018
3. ### chemistry

When aqueous solutions of sodium sulfate and lead (II) nitrate are mixed lead sulfate precipitates out of soultion. Calculate the mass of lead (II) sulfate that should form when 1.25 L of 0.0500 M Pb(NO3)2 and 2.00 L of 0.0250 M

asked by Bella on February 21, 2012
4. ### chemistry

what are the products of bacl2.2h2o + kcl???

asked by Shehan on June 16, 2020
5. ### maths

Bacl2.2H2O+KCl what the reaction?

asked by dushan on November 7, 2016
1. ### Chemistry

I have a reaction here: 2Na3PO4.12H2O + 3BaCl.2H2O --> Ba3(PO4)2 + 6NaCl + 30H2O and a question: 0.349g of BaCl2.2H2O and 0.624g of Na3PO4.12H2O are dissolved in 500mL of water to form a solution - how many grams of the excess

asked by Lacey on September 25, 2007
2. ### chemistry

Aqueous sodium sulfate reacts with aqueous barium chloride to produce solid barium sulfate and aqueous sodium chloride. the solution contains 3.44g of barium chloride. you have a 0.282M solution of sodium sulfate. determine the

asked by sara on April 17, 2016
3. ### Chemistry

Calculate the solid needed to make a 250ml solution that is 0.34M in sodium cation, using sodium sulfate decahydrate. I came up with 13.685g. but how do I make that into 250ml of a solution that is0.34M in sodium cation?

asked by Denise on October 27, 2011
4. ### Chem

You made up a saturated solution of calcium sulfate (CaSO4). The temp is 25 degrees Celsius. You then add 5.00*10^-3 of sodium sulfate (NaSO4). What are the concentrations of calcium and sulfate after equilibrium is reached? The

asked by Mig on June 5, 2011
5. ### Chemistry

A 10.00 gram solid sample consisting of a mixture of sodium chloride and potassium sulfate is dissolved in 100.0 mL of water is combined with another 200.0 mL solution that contains excess aqueous lead(II) nitrate. Upon mixing the

asked by keitanako on March 18, 2014
6. ### Chemistry

What is the balanced net ionic equation for the following reaction: 2 NH4Cl + Ba(OH)2 = 2H2O + BaCl2 + 2 NH3 i got 2NH4^+ +2OH- = 2H2O + 2NH3 but it keeps telling me i'm wrong

asked by Harry on November 13, 2010