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Mass Percent Calculation
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Questions (104)
what is the mass percent of sodium hydroxide in a solution that is made by dissolving 8 grams of sodium hydroxide in 50 grams of
3 answers
asked by
Anonymous
522 views
A 0.8870g sample of a mixture of nacl and nan03 is dissolved in water, and the solution is then treated with an excess of AGN03
2 answers
asked by
Ken
512 views
What is the mass percent of acetic acid in 3.25 molality of CH3COOH?
1 answer
asked by
Diamond
590 views
A 0.887g sample of a mixture of nacl and kcl is dissolved in water , and the solution is then treated with an excess of agn03 to
3 answers
asked by
Ferda
1,775 views
A 1.00 g sample of naphthalene (C10H8) contains 0.562 g of hydrogen. What is the mass percent of carbon in the compound
4 answers
asked by
camm
1,002 views
Al2(SO4)3(aq) + BaCl2(aq) BaSO4(s) + AlCl3(aq)
Consider the unbalanced equation above. A 0.680 g sample of impure Al2(SO4)3
1 answer
asked by
edi
729 views
Calculate the mass percent, % (m/m), for the solute in each of the following solutions.
7.0 g of CaCl in 65.0 g of Ca Cl solution
3 answers
asked anonymously
39 views
Suppose an ore sample contains 11.01 % impurity in addition to a mixture of Cu2S and CuS. Heating 102.5 g of the mixture
6 answers
asked by
Rose Bud
750 views
A solution is prepared by dissolving 22.8 mL of methanol (d = 0.782 g/mL) in 100 mL of water (d = 1.00 g/mL) so that the final
2 answers
asked by
Ryan
557 views
please help me with this question!
a 1g sample of naoh contaminated with na2co3 is titrated with 0.500MHCl, and it is found that
3 answers
asked by
alex
634 views
the concentration of urea in a solution prepared by dissolving 16g of urea in 39 g of H2O is ________% by mass. The molar mass
4 answers
asked by
jen
2,903 views
What is the mass percent of sucrose (C12H22O11, Mm=342 g/mol) in a 0.371-m sucrose solution?
3 answers
asked by
Cheyenne
1,901 views
What is the percent by mass of 3.55 g NaCl dissolved in 88 g H2O?
2. A solution is made by adding 1.23 moles of KCl to 1000.0 g
2 answers
asked by
Anonymous
1,441 views
A 15.0 g sample consisting of a mixture of silver nitrate and sodium nitrate is dissolved
in water. This aqueous mixture then
3 answers
asked by
Chuck
1,395 views
A solution was prepared by dissolving 43.0 of in 225 of water.
Calculate the mass percent of in the solution.
7 answers
asked by
help
1,345 views
A chemist weighed out 5.16 g of a mixture containing unknown amunts of BaO(s) and CaO(s) and placed the sample in a 1.50-L flask
1 answer
asked by
Genn
1,178 views
Consider a 1.50-g mixture of magnesium nitrate and magnesium chloride. After dissolving this mixture in water, 0.500M of silver
2 answers
asked by
John
1,153 views
What is the mass percent of nitrogen in ammonium carbonate, (NH4)2CO3?
2 answers
asked by
leona
1,094 views
Al(s) + HCl(aq) AlCl3(aq) + H2(g)
Zn(s) + HCl(aq) ZnCl2(aq) + H2(g) Consider the unbalanced equations above. A 0.200 g sample of
3 answers
asked by
Connor
1,153 views
0.4276-g sample of a potassium hydroxide – lithium hydroxide mixture requires 31.20 mL of 0.3315 M HCl for its titration to
4 answers
asked by
Anonymous
1,107 views
A 2.30 m solution of urea (CO(NH2)2; FW= 60.0) in water has a density of 1.14 g/mL. Calculate the percent mass of urea in this
4 answers
asked by
cc
1,027 views
A 230 g sample of a compound contains 136.6 g of carbon, 26.4 g of hydrogen, and 31.8 g of nitrogen. The rest is oxygen. What is
3 answers
asked by
Anonymous
996 views
What is the percent by mass of 3.55 g NaCl dissolved in 88 g H2O?
2 answers
asked by
Anonymous
988 views
Suppose 22.93mL of KMnO4 solution used in the question above (KMnO4 solution in above question 36.00mL and concentration of
1 answer
asked by
Meso
979 views
what is the mass percent of a solution made by dissolving 35.5 g. of NaCl in 500 g. of water?
2 answers
asked by
Dillan
914 views
A 230 g sample of a compound contains 136.6 g of carbon, 26.4 g of hydrogen, and 31.8 g of nitrogen. The rest is oxygen. What is
4 answers
asked by
michelle
865 views
Determine the percent by mass of water in your sample of hydrated copper (II) sulfate.
Mass of water = 0.95 g Mass of anhydrous
2 answers
asked by
A.
892 views
With the mass percent of Fe, oxalate ion, and water; find the mass percent of potassium ion in the complex iron salt difference.
3 answers
asked by
Anonymous
851 views
What is the percent by mass of NaHCO3 in a solution containing 60 g of NaHCO3 dissolved in 500 mL of H2O
3 answers
asked by
brooke
823 views
To a mixture of NaCl and Na2CO3 with a mass of 1.300 g was added 55.00 mL of 0.243 M HCl (an excess of HCl). The mixture was
2 answers
asked by
Gabe
726 views
a sample of indium chloride is known to be contaminated with sodium chloride. The contaminated sample weighs 2.87 g. When the
1 answer
asked by
Anonymous
711 views
What is the mass percent of sodium hydroxide in a solution that is made by dissolving 8grams of sodium hydroxide in 50 grams of
4 answers
asked by
Araceli
678 views
A rock sample contains only Sb2S3 and FeS. If 835g of the sample contains 11.2% antimony, what is the mass percent of the Sb2S3
2 answers
asked by
Kristin
650 views
A tablet containing calcium carbonate and fillers with a mass of 1.631 g was dissolved in HCl. After the fillers were filtered
2 answers
asked by
Sam
658 views
A 0.670 g sample of impure Al2(SO4)3 reacts with excess BaCl2. If the sample produces 0.760 g of BaSO4, what is the mass percent
2 answers
asked by
Tevin
598 views
A 0.9000g sample of a mixture NaCl and KCl is dissolved in water and the solution is then treated with an excess of AgNO3 to
2 answers
asked by
Alyssa Marie
580 views
A 0.682g sample of impure NAHco3 yielded a solid residue consisting of NAc03 and other solid with a mass of 0.467g. What was the
2 answers
asked by
Fai
554 views
When a (1.797x10^0) g sample of CuSO4 * 5H2O (Copper II Sulfate Pentahydrate) and NaCl was heated, a total sample of
2 answers
asked by
Emma
543 views
Do my answers look correct for these? Thanks
Calculate the mass percent of a solution containing 45.6 grams ethanol (C2H6O) in
2 answers
asked by
Matt
543 views
calculate the mass percent of sand, sodium chloride and copper(ll) sulfate in a sample that yields: mass of sample= 14.088g,
2 answers
asked by
Anonymous
524 views
If 237 mL of O2, measured at STP, are obtained by the decomposition of the KClO3 in a 5.44 g mixture of KCl and KClO3,
2KClO3(s)-
3 answers
asked by
Sam
524 views
When 0.5963g of a sample containing NaNO2 and some inert material is allowed to react with excess HSO3NH2, the volume of N2 gas
7 answers
asked by
SadFace
517 views
How do I solve these problems
You have 2000. g of aqueous NaOH solution. The percent by mass of the solute is 4.25%. How many
2 answers
asked by
Lucy
510 views
Calculate the mass percent of sand, sodium chloride and copper (II) sulfate in a sample which yields the following data: mass of
1 answer
asked by
Shangkary
539 views
A 0.4272-g sample of a potassium hydroxide – lithium hydroxide mixture requires 26.94mL of 0.3385M for its titration to the
3 answers
asked by
Heather
521 views
A 0.4272-g sample of a potassium hydroxide – lithium hydroxide mixture requires 26.94mL of 0.3385M for its titration to the
1 answer
asked by
henry
507 views
what is the percent by mass of solution (d =1,3g/ml) of urea ((NH2)2CO) with molarity 8,4mol/l?
2 answers
asked by
EDWARD,ESOBUNETA
494 views
You have 2.0 g of solid A, 100.00 mL of water (100.0 g of water), and the total mass of solid A combined with 100.00 mL of water
4 answers
asked by
eng
456 views
A 0.682g sample of impure Na2hco3 yield a solid residue consisting of nahco3 and other solid a mass of 0.467g. What was the mass
1 answer
asked by
Fai
475 views
A 7.52 g sample of an aqueous solution of hydrobromic acid contains an unknown amount of the acid.
If 13.5 mL of 0.633 M barium
1 answer
asked by
Anonymous
459 views
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Parent Categories (20)
Analytical Chemistry
Chemical calculations
Chemical Composition
Chemical Equations and Stoichiometry
Chemical Reactions
Chemical Solutions
Chemistry
Concentration calculations
Organic Chemistry
Quantitative Analysis
Reaction stoichiometry
Solution Chemistry
Solution Concentration
Solutions
Solutions and Concentrations
Stoichiometry
Stoichiometry and Solution Concentration
Stoichiometry and Solutions
Stoichiometry or Chemical Analysis
Stoichiometry/Chemical Reactions