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What volume of 3.0M Na2SO4 must be added to 25ml

What volume of 3.0M Na2SO4 must be added to 25ml of 1.0M BaCl2 to produce 5.0g of BaSO4?The answer is 7.1ml but I don't get it
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2. asked by Andrew
3. 1,999 views
Referring to the following reaction:Pb(NO3)2 (aq) + Na2SO4 (aq) -->PbSO4 (s) + 2NaNO3 (aq) A solution of 0.114 M Pb(NO3)2 with a
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2. asked by Mona
3. 2,288 views
Calculate the ph of a 1L solution to wgich has been added 25ml of 10mM acetic acid and 25ml of 30mM sodium acetate
1. 1 answer
2. asked by Grace
3. 1,887 views
A 50.0 mL sample of 1.50×10−2 M Na2SO4(aq) is added to 50.0 mL of 1.23×10−2 M Ca(NO3)2(aq).What percentage of the Ca2+
1. 4 answers
2. asked by K
3. 805 views
Saturated solution of Ca(OH)2 in 0.05349 mol/L NaOH.Temperature: 22.1 * C Volume of Ca(OH)2/NaOH aliquot: 25ml Concentration of
1. 4 answers
2. asked by DrBobPleaseHelp
3. 776 views
9.00 L of a solution that is 60.0 ppm in Na+, starting with solid Na2SO4* 1 point Dissolve 1.7 g Na2SO4 in enough water to give
1. 1 answer
2. asked by Mo
3. 40 views
1. 25mL of 0.1M HCl is titrated with 0.1M NaOH. What is the pH when 30mL of NaOH have been added?2. 25mL of 0.1M HCl is titrated
1. 2 answers
2. asked by Mike
3. 1,323 views
An amount of 25ml of a 0.8 Molar solution of pure KNO3 and placed in a volumetric flask. Is added water until the thin volume
1. 1 answer
2. asked by Alan
3. 511 views
Solid Na2SO4 is added to a solution which is 0.020 M in Pb(NO3)2 and 0.045 M in AgNO3. Assume the volume remains constant. Ksp =
1. 2 answers
2. asked by John
3. 1,099 views
Is there a reaction between Na2SO4 with Ch2Cl2? We did a caffeine extraction from tea bags and we are asked why the Na2So4 was
1. 3 answers
2. asked by Scott
3. 2,355 views