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Stoichiometry
Page 5
Questions (11,794)
calculate how many grams of chloride ions are present in 50 grams of ocean salts
4 answers
asked by
T-perry
1,027 views
What volume of 0.250M KOH is required to titrate 2.30 x 10^3 mol of the weak acid H2C2O4 ?
I know the answer is 18.4, but can you
4 answers
asked by
Chemistry
1,405 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
677 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
5,337 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
H2S + 2NaOH -> Na2S + 2H2O
2.48g of sodium hydroxide is dissolved in water and 1.30g of hydrogen sulfide bubbled through the
4 answers
asked by
Anon
762 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
403 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
4,788 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
2,224 views
Calculate the volume of nitrogen that will be produced at S.T.P from the decomposition of 9.6g of ammonium dioxonitrate 3?
3 answers
asked by
Ọga mugu
726 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
449 views
If 34.1 grams of pentane (C5H12) are burned in excess oxygen, how many grams of H2O will be produced?
4 answers
asked by
Anonymous
2,510 views
calculate the mass of the water of hydration if a hydrate loses 0.025 mol of H2O when heated
3 answers
asked by
Sherry
1,628 views
Calculate the number of moles of calcium chloride that can be obtained in 30g of calcium trioxocarbonate (vi) in the presence of
3 answers
asked by
Elizabeth
381 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
300 views
How many grams of KClO3 must react to form 42.0 mL?
4 answers
asked by
Mia
1,909 views
If 8.5g of pure ammonium phosphate , (NH4)3PO4(s), is dissolved in distilled water to make 400mL of solution, what are the
4 answers
asked by
Kristien
1,327 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
1,993 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
2,372 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
522 views
how many moles of LiF would be required to produce a 2.5 M solution with a volume of 1.5 L?
1 answer
asked anonymously
27 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
19 views
Given the balanced equation below, which mole ratio would be best for solving how many moles of oxygen are produced by the
1 answer
asked by
murder
33 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
3,172 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
4,029 views
If sulphur is in success then production of 2 moles of ferrous sulfide requires how many grams of iron?
4 answers
asked by
Ayat
525 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
4,136 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
2,340 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
2,518 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
3,405 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
3,030 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
2,916 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
1,255 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
7,180 views
A 50.0mL volume of AgNO3, solution contains 0.0285 mol AgNO3 (SILVER NITRATE). What is the molarity of the solution?
4 answers
asked by
jose
2,183 views
A mixture weighing 7.290 mg contained only cyclohexane, C6H12 (FM 84.159), and oxirane, C2H4O (FM 44.053). When the mixture was
7 answers
asked by
RJ
6,556 views
a 10 ml vinegar sample was completely neutralized by 22.5 0.2M NaOH solution . calculate the molarity and percent acetic acid in
4 answers
asked by
shannan
2,940 views
Calculate the concentration of Hg2+ ions in a saturated solution of HgS(s). (Ksp=1.7×10^52)
Answer in units of mol/L What volume
3 answers
asked by
Gabriella
1,036 views
Calculate the mass of 15.0 L of NH3 at 27 degrees C and 900 mmHg.
Mass of NH3 = 12.2 g
7 answers
asked by
Anonymous
8,969 views
number of moles in 0.00655g of antimony
2 answers
asked by
anonymous _25
94 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
130 views
in a reaction 3.0moles of ch4 was react with excess of cl2. 265 g of ccl4 was obtained calculate theoretical yield and
3 answers
asked by
Falak naaz
149 views
23.780 g of acetaldehyde (CH3CHO) reacts completely with oxygen to produce acetic acid (HC2H3O2) using manganese (II) acetate
3 answers
asked by
ezile
156 views
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