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What mass of Na2so4 is

A thoroughly dried 1.281g sample of Na2SO4 is exposed to the atmosphere and found to gain 0.383g in mass.What is the percent, by
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2. asked by Lisa
3. 1,342 views
What mass of solution containing 6.50% sodium sulfate N2SO4 by mass contains 1.50g Na2SO4Set up a proportion. (g Na2SO4/g
1. 5 answers
2. asked by Lauren
3. 2,009 views
5. A 0.500 g sample of a BaCl2•2H2O/Na2SO4 salt mixture, when mixed with water, filtered, and dried, produced 0.225 g of
1. 2 answers
2. asked by sarah
3. 1,039 views
A 1.009-g mixture of the solid salts Na2SO4 (molar mass=142.04g/mol) and Pb(NO3)2 (molar mass=331.20g/mol). The precipitate was
1. 1 answer
2. asked by Jerry
3. 637 views
An aqueous solution of Na2SO4 has a molal concentration of 0.293 mol kg-1. Its density is 1.0350 g mL-1.Calculate the molar
1. 10 answers
2. asked by write2khin
3. 2,382 views
What mass of Na2so4 is produced if 49g of h2so4 react with 80g of Naoh2Naoh + h2so4 Na2so4 + 2h2o
1. 1 answer
2. asked by Sadiiq
3. 80 views
a 1.009g mixture of the solid salts Na2SO4 and forms an aqueous solution with the precipitation of PbSO4. The precipitate was
1. 1 answer
2. asked by Ann
3. 1,965 views
sodium sulfide, Na2S, is used in the leather industry to remove hair from hides. The Na2SO4 + 4C -> Na2S +4CO(g) so suppose you
1. 2 answers
2. asked by cheryl
3. 1,102 views
When 6.724 g of one of the hydrates of sodium sulfate (Na2SO4) was heated to drive off its water of hydration, the residue of
1. 1 answer
2. asked by Annie
3. 905 views
Suppose that 0.205 g of a mixture containing Na2SO4 and K2SO4 is dissolved in water. An excessof BaCl2 is added and a
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2. asked by Mahnoor
3. 2,361 views