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Stoichiometry
Page 5
Questions (11,774)
how many moles of water vapour are formed when 10 liters of butane gas C4H10 is burned in oxygen at stp?
20 answers
asked by
nati
6,526 views
What volume of dry NO(g) at STP could be produced by reacting 8.74 g of Cu with an excess of HNO3?
3Cu + 8 HNO3→ 3 Cu(NO3)2 + 2
5 answers
asked by
Anonymous
1,472 views
Which statement describes the quantities that can be found using the number of moles? (1 point)
A) It can be used to find the
15 answers
asked by
o
6,887 views
You have 10.5 moles of C5H12, how many moles of C do you have?
4 answers
asked by
cici
1,765 views
Determine the number of moles of H in 4.70mol H2O. Please help I tried different ways to do it and I got them all wrong.
4 answers
asked by
Oliva
4,134 views
A solution contains an unknown mass of dissolved barium ions. When sodium sulfate is added to the solution, a white precipitate
5 answers
asked by
Beth
5,438 views
If the reaction below proceeds with a 96.8% yield, how many kilograms of CaSO4 are formed when 5.97 kg SO2 reacts with an excess
4 answers
asked by
za
3,186 views
How many milliliters of a solution containing 2 mEq of potassium chloride (KCl) per milliliter should be used to obtain 2.98 g
4 answers
asked by
Nico
1,395 views
2.00 L of NO(g) at 1.00 atm and 25°C is reacted with 1.00 L of H2(g) at 2.00 atm and 25°C according to the following
4 answers
asked by
josh
1,662 views
A- 50.0 g of H2SO4 react with 75.0 g of NaOH. Identify the limiting and excess reactants. How many grams of Na2SO4 will be
3 answers
asked by
Jess
2,748 views
calculate the amount of 95% marble required to obtain 11.2Litres OF CARBON DIOXIDE
4 answers
asked by
sum
3,415 views
How do you calculate the moles of triiodide that is consumed by a thiosulfate titrant in a Vitamin C titration?
IO3– + 8 I– +
4 answers
asked by
Elise
1,497 views
Calculate the amount of hydrochloric acid in 25cm3 of 0.100M HCl
4 answers
asked by
Jess
1,092 views
consider the reaction in which 410 grams of Ca(NO3)2 react with just the right amount of lithium metal in a single replacement
4 answers
asked by
need help
2,521 views
20cm(cube) of a gaseous hydrocarbon were mixed with 90cm(cube) oxygen, and the mixture exploded. At room temperature, 60cm(cube)
4 answers
asked by
Kenry
2,043 views
How many atoms of C are contained in 45.6g of C6H6?
4 answers
asked by
Marty
1,555 views
calculate how many grams of chloride ions are present in 50 grams of ocean salts
4 answers
asked by
T-perry
1,024 views
Iron is obtained from iron ore according to the following reaction: Fe2O3+CO---> Fe+CO2 (unbalanced).
a. Assuming the blast
4 answers
asked by
K
1,779 views
Silver reacts with hydrogen sulphide gas, and oxygen according to the reaction:
4Ag(s) + 2H2S(g) + O2(g) → 2Ag2S(s)+ 2H2O(g)
4 answers
asked by
Anonymous
675 views
A 30.75 mL sample of 0.450 MKOH was titration with an unknown concentration of HCl. The endpoint was reached when 29.35 mL of
9 answers
asked by
Rebecca
1,634 views
4g of a mixture of CaCO3 and sand is treated with an excess of HCl and 0.88g of CO2 is produced. What is the percentage of CaCO3
5 answers
asked by
Ana
5,335 views
Please help me with these questions:
1. Consider the equation:2Na+ 2H2O-->2NaOH +H2 -If 92.0g of sodium is reacted with 76.0g of
3 answers
asked by
Sally
1,418 views
A sample of Manganese (II) Chloride has a mass of 19.8 grams before heating, and 12.6 grams after heating until all the water is
4 answers
asked by
Diana
3,984 views
A solution was prepared by dissolving 30g of a mixture of Iron(II) salt and Iron (III)salt in 1dm3 of a solution. A volume of
4 answers
asked by
Keziah
400 views
2KClO3 → 2KCl + 3O2
How many moles of oxygen are produced if 4 moles of potassium chlorate decomposes? 4?
3 answers
asked by
bella
1,689 views
h2so4 is labelled as 9.8 by weight. specific gravity of h2so4 is 1.8. the volume of acid to be taken to prepare 100 ml of 0.18M
6 answers
asked by
Anonymous
4,785 views
Calculate the volume needed to dissolve 11.2g CuSO4 to prepare 0.140M?
7 answers
asked by
cris
2,474 views
13. Pure copper may be produced by the reaction of copper(I) sulfide with oxygen gas as
follows: Cu2S(s) + O2(g) „_ 2Cu(s) +
4 answers
asked by
lee
2,223 views
What volume of hydrogen, reacting with nitrogen, will produce 500 dm^3 of NH3 at STP?
3 answers
asked by
Emily
655 views
5.0g of calcium carbonate were allowed to react with 25cm3 of 1.0M hydrochloric acid
Until there was no further reaction.
3 answers
asked by
Freddy
444 views
determine the volume of 0.250 m H2SO4 needed to react with 5.00 g of zinc to produce H2 and ZnSO4
3 answers
asked by
Jimmy
298 views
A sample of 0.30 moles of a metal M reacts completely with excess fluorine to form 18.69 grams of MF2.
How many moles of F are in
4 answers
asked by
Brooke
1,992 views
18.1g of ammonia and 90.4g of copper(II) oxide are used in the reaction 2NH3+3CuO=N2+3Cu+3H3O.What is the limiting reactant? How
3 answers
asked by
fredrick
2,371 views
When 50 g of silicon dioxide is heated with an excess of carbon, 32.2 g of silicon carbide is produced. what is the percent
4 answers
asked by
Meg
1,891 views
If a chemist titrates 300.0 mL of H2SO4 with a 3.0 M solution of NaOH and requires only 3.4 mL of the base to reach the
2 answers
asked by
Spacy1996
1,243 views
What mass of aluminum can be produced when 10.0g of aluminum chloride decomposes?
2 answers
asked by
Anonymous
521 views
Elements A and B react according to the following balanced equation. 3A2+2B → 2A3B3A2+2B → 2A3B The molar mass of element A
1 answer
asked anonymously
18 views
How many moles is in 43g of CO₂? * 0 points 1204 mol 1.54 mol 2.59 x 10²⁵
1 answer
asked anonymously
13 views
How many moles of oxygen are produced from the decomposition of 36.7 g of dinitrogen pentoxide?
2N2O5 4NO2 + O2 A. 3.19 mol B.
4 answers
asked by
Jessie
3,169 views
Use the equation below and determine what volume of O2 at STP is needed to react with 1.5 moles of C2H4?
Balanced equation: C2H4
7 answers
asked by
Casey
4,026 views
A 0.4550g solid mixture containing CaSO4 dissolved in water and treated with an excess of Ba(NO3)2, resulting in precipitation
5 answers
asked by
JACI WINLOW
4,133 views
How many grams of oxygen are in 40.1 g of calcium hydroxide?
options: 17.3 g 8.64 g 20.1 g 0.541 g 11.2 g
5 answers
asked by
ABCD
3,738 views
Consider the reaction
4 KO2(s) + 2 CO2(g) → 2 K2CO3(s) + 3 O2(g). How much KO2 is needed to react with 75.0 L of carbon dioxide
4 answers
asked by
William Dane
2,339 views
When carbon is burned in air, it reacts with oxygen to form carbon dioxide. When 20.4 g of carbon were burned in the presence of
3 answers
asked by
Dominick
2,516 views
2Fe + 3Cl2 -> 2FeCl3
How much FeCl3 can you produce with 10g of Fe and how much Cl2 will be consumed? The chain of thought in my
4 answers
asked by
Marius
3,403 views
Calculate the number of moles of hcl(aq)added to sodium thiosulphate
4 answers
asked by
peter
999 views
How many molecules of glycerol(C6H8O3) would be present in 1L of a 1M glycerol solution? a. 1 b. 14 c. 92 d. 1*10^7 6.02*10^23
4 answers
asked by
Jeannie
3,029 views
When iron metal reacts with oxygen, the reaction can form Fe2O3. Write a balanced chemical equation for this reaction, and find
3 answers
asked by
Zoella
827 views
A sample of (N2H5)2C3H4O4 contains 1.084 x 1024 carbon atoms. How many moles of hydrogen atoms are there in the same sample?
5 answers
asked by
Sanz
2,914 views
Calculate the number of grams required to make 250 mL of a 0.020 M KIO3 solution.
6 answers
asked by
Kelli
2,831 views
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