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Stoichiometry
Page 6
Questions (11,726)
Calculate the volume needed to dissolve 11.2g CuSO4 to prepare 0.140M?
7 answers
asked by
cris
2,470 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
2,220 views
If 22.5 L of Oxygen reacted with excess hydrogen, how many liters of water vapor could be produced?
4 answers
asked by
Addy
1,469 views
SO3 can be produced in the following two-step process:
FeS2 + O2 ---> Fe2O3 + SO2 S02 + O2 ----> SO3 Assuming that all the FeS2
4 answers
asked by
Becky
2,704 views
How many grams of water will be produced if 32.0 g of nitrous oxide are also produced in the reaction? useing this equation:
NH4N
3 answers
asked by
Jane
1,129 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
297 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
1,889 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
1,240 views
How many moles is in 43g of CO₂? * 0 points 1204 mol 1.54 mol 2.59 x 10²⁵
1 answer
asked anonymously
9 views
The relative molecular mass of calcium carbonate (CaCO3) is 100. What is the minimum volume of 2.0 M hydrochloric acid (HCl)
6 answers
asked by
scienceguy
4,085 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
3,166 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
4,024 views
The number of grams in three moles of solid ammonium chlride, NH4Cl(s) is
A. 50.47 g b. 53.50 g c. 103 g d. 160 g
5 answers
asked by
Blaeonk
1,148 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
3,736 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
2,334 views
How many moles of oxygen are in 3.45 mol of diphosphorus pentoxide?
options: 5.75 mol O 13.5 mol O 6.90 mol O 3.45 mol O 17.3 mol
5 answers
asked by
ABCD
3,635 views
Calculate the number of moles of hcl(aq)added to sodium thiosulphate
4 answers
asked by
peter
988 views
Propane (C3H8) burns in oxygen to produce carbon dioxide and water vapor. The balance equation for this reaction is C3H8 + 5O2
4 answers
asked by
Katie
7,761 views
Calculate the mass of strontium hydroxide required to make a 450-mL solution with a pOH of 4.00.
Step 1: Find pOH. I found that
4 answers
asked by
Anonymous
1,092 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
2,913 views
36 g of HCl and 40 g of NaOH combine to form 58 g of NaCl. What is the amount of water produced in this process?
5 answers
asked by
Hii
1,249 views
Calculate the number of grams required to make 250 mL of a 0.020 M KIO3 solution.
6 answers
asked by
Kelli
2,823 views
How many milliliters of 0.100 M HNO3 are needed to neutralize the following solutions?
A. 45.0 mL of 0.667 M KOH B. 58.5 mL of
7 answers
asked by
Bekah
8,380 views
what is the theoretical mole ratio- NaCl to NaHCO3
How do you determine the percentage error of an experimental mole ratio It
5 answers
asked by
CHEMISTRY HELP
7,174 views
number of moles in 0.00655g of antimony
2 answers
asked by
anonymous _25
89 views
When 14.5g of so2 react with 21g of O2 what will be the theoretical and percentage yiad of the reaction if the actealyid of the
2 answers
asked by
Nuredin
128 views
A 500ml saturated solution of MgCO3 (M=84) is reduced to 120 ml by evaporation. What mass of solid MgCO3 is formed?
The answer is
7 answers
asked by
John
2,735 views
Calculate the volume of concentrated nitric acid, 18 mol dm "-3" which is required to prepare 5.0 dm 3 of 2.0 mol dm "-3" nitric
4 answers
asked by
Tamil Kugan
694 views
Elemental mercury was first discovered when a mercury oxide was decomposed with heat, forming mercury metal and oxygen gas. When
5 answers
asked by
Adam
3,433 views
the balanced equation for the reduction of iron ore to the metal using CO is Fe2O3+3CO(g) -> 2Fe+3CO so what is the maximum of
5 answers
asked by
cheryl
2,384 views
For the reaction
3 FeCl2 + 2 Na3PO4 → Fe3(PO4)2 + 6 NaCl , what is the maximum amount of Fe3(PO4)2 which could be formed from
4 answers
asked by
Rafael
3,278 views
(1) A sample of the hydrate CuSO4.5H2O has a mass of 12.5g. (a) how many molecules of hydrogen are contained in this hydrate? If
7 answers
asked by
chancy xdicey
2,975 views
A sample containing .347 moles of an element has a mass of 39.00 g. What is the element?
4 answers
asked by
Ah
1,770 views
2Cu+S→Cu2S
Copper (Cu) reacts with sulfur (S) to form copper sulfide as shown in the equation. A scientist adds 12.7 grams of
6 answers
asked by
President Joe Biden
1,614 views
The density of 95.2 % (weight percent) of H2SO4 is 1.53 g/ml.calculate the molarity of this solution.
4 answers
asked by
Ahmad
2,049 views
if 5.00g magnesium is combined with 10.0 g of chlorine, show by calculation which substance is the limiting reactant and
5 answers
asked by
Laura
4,377 views
Suppose 10 atoms of carbon (C) react with 20 atoms of oxygen (O) to form 10 molecules of carbon dioxide (CO2) according to the
4 answers
asked by
Anonymous
973 views
Calculate the theoretical yield of ethyl acetate formed if 10 mL of ethyl alcohol (density = 0.79 ... (density = 0.79 G/mL; MW =
4 answers
asked by
Carla
1,982 views
A student mixes 35.0 mL of 2.82 M Pb(NO3)2(aq) with 20.0 mL of 0.00221 M Na2C2O4(aq). How many moles of PbC2O4(s) precipitate
5 answers
asked by
Anon
4,387 views
I have a question that I don't understand from my first year chem lab.
Calculate the minimum volume of water needed to decompose
4 answers
asked by
Joshua
876 views
Pentane (C5H12) burns in oxygen to produce carbon dioxide and water.
C5H12(g)+8O2(g)→5CO2(g)+6H2O(g) Calculate the mass of CO2
6 answers
asked by
Alex
5,969 views
How many grams of calcium hydroxide will be needed to react completely with 10.0 g of phosphorus acid?
4 answers
asked by
Julia
1,162 views
A 2.446-g sample thought to contain only one volatile substance, MgCO3, was heated in a nitrogen atmosphere for 30 min. After
5 answers
asked by
Ann
1,510 views
Consider: C(12)H(22)O(11)(s) --> (11)H(2O) (g) + 12C (s)
The rate of decomposition of C12H22O11 is 0.75 mol/min. What mass of C
5 answers
asked by
Rachana
1,871 views
Determin the number of oxygen atmos in 1.75kg of potassium sulfate.
4 answers
asked by
Andy
1,177 views
a student weighed out 1.106g of KHP. How many moles was that?
4 answers
asked by
Gurjot
3,247 views
In the synthesis of K3[Al(C2O4)3].3H2O, 0.0357 moles of the limiting reagent were used in the reaction. What is the maximum
4 answers
asked by
Ami
1,251 views
Calculate the mass of cacl2 formed when 5 moles of chlorine reacts with calcium metal
9 answers
asked by
Bitanya
5,472 views
Consider the following reaction:4HCl(g)+O2(g)produces 2H2O(g) + 2Cl2(g) How many molecules of Cl2 would be formed from the
7 answers
asked by
Anonymous
9,458 views
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