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Mass calculations
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Questions (753)
2Ca(s)+O2(g)--->2CaO(s)
Calculate the mass of calcium oxide that can be prepared from 8.99 g of Ca and 5.99 g of O2.
2 answers
asked by
Bri
1,029 views
what mass of benzene is required to reac with excess oxigen to produce 66.50 g of carbon dioxide
1 answer
asked by
Anonymous
347 views
If you have 3.78 g
of H2 , how many grams of NH3 can be produced? Express your answer with the appropriate units.If you have 3.78
3 answers
asked anonymously
17 views
What theoretical mass of MgO is produced if 0.150 g Mg3N2 is produced by strongly heating a 2.000 g sample of Mg in air?
1 answer
asked by
Jay
387 views
How many grams of CO are produced when 40.0 g of C reacts?
3 answers
asked anonymously
14 views
4.8g of magnesium react was completely burned in oxygen and magnesiumoxide was produced. what is the mass of magnesium produced?
1 answer
asked by
Ruben Amwenyo
425 views
If the total mass of the product, mercuric oxide, HgOis 433.2 grams, what is the total mass of the Mercury and Oxygen on the
3 answers
asked anonymously
53 views
We have to prepare 500 gr of a HCl solution 15% by mass:
H2SO4 + NaCl at a Temperature of 100°C NAHSO4 is also produced The
1 answer
asked by
Ele
472 views
Calculate the mass of oxygen gas that can be produced in the decomposition of 5.55 g of silver oxide.
This is what I did but is
2 answers
asked by
Sam
516 views
A sample of sodium reacts completely with 142 g of chlorine, forming 234 g of sodium chloride. What mass of sodium reacted?
Expre
6 answers
asked by
Dominick
511 views
Determine the mass of ammonium sulphate that would be produced from 68 grams of ammonium
3 answers
asked by
leaha
382 views
A solution contains an unknown mass of dissolved barium ion. When sodium sulfate is added to the solution, a white precipitate
2 answers
asked by
Nicole
519 views
An ore contains Fe3O4 and no other iron. The
iron in a 39.3-gram sample of the ore is all converted by a series of chemical
1 answer
asked by
Sierra
466 views
Consider the following reaction that occurs at STP:what mass of N2 gas is needed to react with 12g H2 gas?
1 answer
asked by
Thandi faith mapili
351 views
what mass of aluminum must be used to produce 42.56 g of iron? fe2o3(s) + 2al(s) → 2fe(l) + al2o3(s)
1 answer
asked by
pppp
410 views
calculate the total mass of carbon dioxide gas produced when you burn 1000ml of gasoline
Density of heptane = 0.684g/ml density
4 answers
asked by
christie
764 views
What mass of pure silver would you obtain from 85.0 g of AgNO3?
I got 53.55 g is that correct?
1 answer
asked by
Mike
355 views
if you had 118.7 gm of Sn; how many grams of oxygen would need to convert al the Sn into SnO^2
1 answer
asked by
Alex
310 views
How many grams of Aluminum oxide will be produced when 2.44 grams of Aluminum burns in air (i.e. react with Oxygen)?
2 answers
asked by
michelle
622 views
A student obtains a yield of 79% from his salicylic acid. How many grams of salicylic acid will the student need to produce 135
3 answers
asked by
patricia
882 views
A solution is 42% NaCl by mass. If 314 mL of H2O was used to create the solution, calculate the , mass of salt that was used.
2 answers
asked by
Shiv
502 views
when1.015 grams of calcium carbonate is reaced with 20.440 grams of hydrochloric acid the resulting mass is 21.128grams. what
2 answers
asked by
chem 110
662 views
Hey guys, i have a question about how to figure out how much mass of a compound i need to find 130ppm here is the question.
What
3 answers
asked by
John
570 views
if 96g so2 is added to 2 moles of oxygen at stp, what is the mass of so3 that is formed
3 answers
asked by
asanda
789 views
I did the next problem, i don't have the results for it and i just want to know if i calculated the mass for Fe2O3 the right?
A
3 answers
asked by
Gloria
942 views
A 12 g sample of iron ore is treated as follows. The iron in the sample is all converted by a series of chemical reactions to
3 answers
asked by
Gabriella
457 views
calculate the mass of impure KOH needed to make up 1.20 L of 0.60 mol/L KOH(aq)? Assume the impure KOH is 84% KOH by mass and
2 answers
asked by
LG
513 views
If the total mass of the product, mercuric oxide, HgO, is 433.2 grams, what is the total mass of Mercury and Oxygen on the
3 answers
asked by
MrTopHat
84 views
Suppose that 23 mL of 0.6 M K2CrO4(aq) reacts with 13.7 mL of AgNO3(aq) completely.
What mass of NaCl is needed to react
2 answers
asked by
Joseph
532 views
A 179 mL solution of a copper complex with a molecular weight of 491.9 g mol-1 was made. The absorbance of the solution at 638
3 answers
asked by
angela
437 views
A CaCO3 mixture weighing 2.75 grams was treated with 9.75 mL of 3.00 M HCl to liberate CO2. After the CO2 was liberated, the
2 answers
asked by
Double checking ans
1,124 views
How many grams of O2 are needed to produce 45.8 grams of Fe2O3 in the following reaction? 4Fe(s)+3O2(g) - 2Fe2O3(s)
1 answer
asked by
richard
780 views
what mass of Al(NO3)3 is required to remove 155g of Ba(NO3)2?
1 answer
asked by
Anonymous
318 views
calculate the mass of zinc that will produce 35.8g of zinc trioxonitrate
3 answers
asked anonymously
26 views
calculate the mass of zinc that will produce 35.8g of zinc trioxonitrate(V) 3Zn +8HNO3➡️ 3Zn(NO3)2 +4H2O + 2NO
3 answers
asked anonymously
32 views
How do you determine the mass of NACL needed to prepare 25.00 ml of a 1.585M NaCl Solution?
4 answers
asked by
Jenny
1,250 views
calculate the grams of iron produced when 120g of iron (III) oxide are reacted with 84g carbon monoxide
Fe203+3CO--2Fe+3CO2
2 answers
asked by
Darlene
571 views
A test tube containing a mixture of compounds X, Y, and a small amount of Z weighs 25.4886 g. The tube is emptied into a beaker
2 answers
asked by
Sonia
649 views
? ZnS+?O2 !? ZnO+? SO2 ,
what is the maximum amount of ZnO (81.4084 g/mol) which could be formed from 12.85 g of ZnS (97.474
2 answers
asked by
K.M.
558 views
1) How do I calculate what the mass would be for the flask containing water and alkaseltzer if:
-mass of flask and the 10ml of
2 answers
asked by
Cyn
501 views
How many grams of lithium metal would be produced if 0.500g of magnesium was added to a solution of lithium chloride?
2 answers
asked by
Elizabeth
965 views
A 79.1 g mixture of the compounds calcium chloride and sodium sulfide is 80.9 % by mass sodium sulfide. The compound sodium
2 answers
asked by
Lance
970 views
An experiment calls for 125 mL of 0.105 M NaCl solution. What mass of NaCl is required? What mass of NaCl would be required for
2 answers
asked by
Britany
648 views
What mass of aluminum is produced by the decompisition of 7.47 kg of Al2O3?
2 answers
asked by
Cheery`
660 views
Sodium reacts with chlorine to form the compound sodium chloride, or salt. The chemical formula below shows how the two elements
3 answers
asked anonymously
103 views
C6H6(l) + Cl2(g) --> C6Cl6(s) + HCl(g)
Consider the unbalanced equation above. What is the maximum mass of each of the products
3 answers
asked by
Jade
763 views
Students massed 50g of sodium (2Na) and 27g of water (2H2O). They combined the 2 reactants and produced the products.
2Na + 2H2O
3 answers
asked anonymously
53 views
If 40g of Sodium (Na) completely reacts with 60g of Chlorine (Cl2), what is the mass of the products?
a 40 g b 60 g c 100 g d 160
3 answers
asked anonymously
165 views
How many grams of KCl would be produced from the complete decomposition of 2.75g of KClO3?
2 answers
asked by
Tim
609 views
Heating 1.29 g of gallium gives a gallium-oxygen compound with a mass of 1.73 g.
-How many grams of oxygen are in the 1.73 grams
4 answers
asked by
Jeannie
1,856 views
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