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Stoichiometry
Page 6
Questions (11,720)
10000 tonnes of iron reacted in a blast furnace Fe2O3 calculate the typical mass of iron produced each day
4 answers
asked by
Anonymous
2,652 views
if 125g of magnesium sulfate heptahydrate is completely dehydrated, how many grams of anhydrous salt will remain?
i would really
4 answers
asked by
rose
3,375 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
3,979 views
2KClO3 → 2KCl + 3O2
How many moles of oxygen are produced if 4 moles of potassium chlorate decomposes? 4?
3 answers
asked by
bella
1,683 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
4,773 views
Calculate the volume needed to dissolve 11.2g CuSO4 to prepare 0.140M?
7 answers
asked by
cris
2,467 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
2,218 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
1,467 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
2,702 views
the max # of grams of K that can be obtained from 100.grams of KHCO3?
3 answers
asked by
mary
1,015 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
1,123 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
2,369 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
1,886 views
How many moles is in 43g of CO₂? * 0 points 1204 mol 1.54 mol 2.59 x 10²⁵
1 answer
asked anonymously
8 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
4,082 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
3,163 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
4,021 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
1,146 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
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
7,758 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
1,089 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
2,909 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
1,247 views
Calculate the number of grams required to make 250 mL of a 0.020 M KIO3 solution.
6 answers
asked by
Kelli
2,821 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
8,375 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
7,171 views
number of moles in 0.00655g of antimony
2 answers
asked by
anonymous _25
87 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
126 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
2,732 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
692 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
3,429 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
2,381 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
3,274 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
2,972 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
1,768 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
1,612 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
2,047 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
4,372 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
967 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
1,980 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
4,385 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
873 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
5,967 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
1,160 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
1,508 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
1,869 views
Determin the number of oxygen atmos in 1.75kg of potassium sulfate.
4 answers
asked by
Andy
1,176 views
a student weighed out 1.106g of KHP. How many moles was that?
4 answers
asked by
Gurjot
3,245 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
1,249 views
Calculate the mass of cacl2 formed when 5 moles of chlorine reacts with calcium metal
9 answers
asked by
Bitanya
5,469 views
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