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Stoichiometry
Page 10
Questions (11,794)
Silicon Carbide, SiC, is prepared by heating silicon dioxide in the presence of graphite. Carbon dioxide is the by-product of
3 answers
asked by
Scott
1,606 views
How many grams does 0.500 moles of CuBr weigh?
3 answers
asked by
Jeanette
1,416 views
what volume of benzene ( C6H6 d=0.88g/ml molar mass = 78.11) is required to produce 1.5*10^3 kj of heat
2 answers
asked by
na
1,064 views
If 6.20 mol of calcium carbide (CaC2) reacts with an excess of water, how many moles of acetylene (C2H2), a gas used in welding,
2 answers
asked by
nina
1,059 views
1. Iron oxide and carbon monoxide react according to the following equation . Identify which reactant is limiting and which is
2 answers
asked by
Tiffany
1,025 views
If 8.5g of pure ammonium phosphate , (NH4)3PO4(s), is dissolved in distilled water to make 400mL of solution, what are the
2 answers
asked by
Kristien
920 views
Calculate volume of Carbon dioxide produced on heating 10g of limestone at S.T.P
2 answers
asked by
Mohit
813 views
In a titration, 4.1 g of an acid (HX) requires
32.8 mL of 0.74 M NaOH(aq) for complete reaction. What is the molar mass of the
2 answers
asked by
Anonymous
553 views
How many grams of NaOH will be needed to prepare 250ml of 0.1M solution:-
2 answers
asked by
Md Shams Rizvi
529 views
How many grams of glacial acetic acid should be used to make 250 mL of 2.00 M acetic acid? Show all your work.
1 answer
asked by
Lily
472 views
Given the equation below for the synthesis of sucrose setup the mole ratios of the following: CO2+H2O—->C12H22O11+O2 for this
1 answer
asked anonymously
54 views
10 Fe(NH4)2(SO4)2·6H2O + 2 KMnO4 + 8 H2SO4 -> 5 Fe2(SO4)3 + 2 MnSO4 + K2SO4 + 10 NH4HSO4 + 16 H2O
mole ratio for MnO4^-
1 answer
asked anonymously
57 views
If we react 23 grams of sodium with 35.5 grams of chlorine to make sodium chloride. How many grams of sodium choride do we make?
1 answer
asked anonymously
58 views
How many grams of oxygen can be prepared by the decomposition of 12
grams of mercury (ll) oxide?
1 answer
asked anonymously
22 views
Consider the following 0.100M solutions: the equivalence point is reached when 10ml of 0.100M NaOH have been added to 10.00ml of
1 answer
asked by
talis sanchez
30 views
Zn + 2HCl → ZnCl2 + H2
At conditions of Standard Temperature and Pressure, determine how many liters of hydrogen gas are
1 answer
asked anonymously
29 views
. Most of the industrial ammonia today is produced via the Haber Process. The Chemical reaction is one we’ve seen many times
1 answer
asked anonymously
55 views
How many moles are contained in each of the following? Be sure each of your answer entries has the correct number of significant
1 answer
asked anonymously
59 views
Elements A and B react according to the following equation. 4A + B2 →2A2B The molar mass of A is 12 g/mol. The molar mass of B
1 answer
asked anonymously
45 views
The molar mass of ammonium acetate is 77.083 g/mol. A student uses 0.100 mol of ammonium acetate in a chemical reaction. The
1 answer
asked by
the
28 views
The solution was created by dissolving .34 mol Na(OH) and 0.15 miles Ca(OH)2 in water. The final volume of the solution was 2.5
1 answer
asked anonymously
22 views
Find the percentage composition of calcium in the following compound, round to the nearest hundredth of a percent. calcium
1 answer
asked by
hunny
26 views
Which statement best describes the relationship between the scientist and experiment that helped modern chemists study
1 answer
asked anonymously
17 views
Determine the number of atoms in 3.50 mol of Zinc, Zn. Avogadro's number is 6.022 x 1023
.
1 answer
asked anonymously
34 views
Using the information seen here, calculate the molar mass of Tin(II) fluoride, SnF2
, to the nearest hundredth of a gram. (2
1 answer
asked by
murder
26 views
Sugar reacts with oxygen gas to produce carbon dioxide and water (C₆H₁₂O₆ + 6O₂⟶6CO₂+6H₂O). Which ratio of
1 answer
asked anonymously
24 views
How to perform stoichiometry calculations
1 answer
asked by
Alicia
15 views
Based on moles of hcl reacted, determine the grams of magnesium.
1 answer
asked by
Alicia
15 views
How do you find PERCENT composition by mass or PERCENT Purity calculations
1 answer
asked by
Alicia
14 views
Peanuts typically contain 21.5% oil if you have the process that allows you to extract all the oil what mass of peanuts would be
1 answer
asked by
Alicia
11 views
5.0 moles of solid sodium chloride (NaCl) are used to prepare a 5.0 M NaCl solution. What is the volume of the solution?
5 answers
asked by
Morgan
2,312 views
Can anyone help me with this question
How much NaCl should be added to 0.35 L of a 0.15 M solution of AgNO3 so that it reacts
5 answers
asked by
William
3,094 views
17) How many moles of NO2 are in 2.3g
5 answers
asked by
ScienceKid
2,165 views
How many atoms of carbon are needed to produce 0.45 mol Al?
3C + 2Al2O3 4Al + 3CO2 A. 2.6 × 1026 atoms B. 9.7 × 1024 atoms C.
6 answers
asked by
emma
2,658 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
3,740 views
How many mol of NaHCO3 are in a 454 g box of baking soda (NaHCO3)?
A. 3.81 x 10^4 mol NaHCO3 B. 1.85 x 10^–1 mol NaHCO3 C. 5.40
10 answers
asked by
Michael
3,887 views
Consider the reaction.
4Fe(s) + 3O2(g) �¨ 2Fe2O3(s) If 0.500 mol of Fe reacts with 0.400 mol of O2, what are the limiting
4 answers
asked by
Lisa
4,941 views
What mass of NaCl do you need to make 71g of Cl2?
4 answers
asked by
savannah
2,344 views
What volume of 0.344 M K3PO4 is required to
react with 79 mL of 0.87 M MgCl2 according to the equation 2 K3PO4 + 3 MgCl2 →
1 answer
asked by
jordan
305 views
If 0.50 mol of Na3PO4 is mixed with 0.30 mol
of BaCl2, the maximum number of moles of barium phosphate which can be formed is:
3 answers
asked by
Anonymous
1,349 views
How many milliliters of 0.0560 M EDTA are required to react with 50.0 mL of 0.0170 M Cu^2+? With 50 mL of 0.0170 M Sc^3+?
My work
4 answers
asked by
Sam
3,586 views
Consider the following reaction that occurs when natural gas is burned.
CH4(g) + 2O2(g) �¨ CO2(g) + 2H2O(g) How many moles of
6 answers
asked by
Lisa
2,326 views
Determine the mass of zinc sulphide, ZnS, produced when 6.2g of zinc and 4.5g of sulphur are reacted.
Equation given: Zn + S8 >>
6 answers
asked by
Hannah
3,002 views
if x moles of PbCl2(s) dissolve in 1.00L of water, how many moles of Pb2+(aq) are produced? how many Cl- produced?
2 answers
asked by
kevin
761 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
3,646 views
What is the molarity of ZnCl2 that forms when 30.0g of zinc completely reacts with CuCl2 according to the following reaction?
5 answers
asked by
Lisa, Help needed!
18,769 views
A 12.5843 g sample of ZrBr4 was dissolved and, after several chemical steps, all of the combined Bromine was precipitated as
3 answers
asked by
Steve
1,768 views
What is the molarity of a solution of 10.0% by mass cadmium sulfate, CdSO4 (molar mass = 208.46 g/mol) by mass? The density of
4 answers
asked by
jojo
5,928 views
Determine the grams of solute required to prepare 507 ml of a 2.75M NaF solution
2 answers
asked by
Bonia
140 views
Exactly 0.35g of divalent metal carbonate Pcarbonate were dissolved completely in 100 centimeter cubic of 0.1M HCL solution the
5 answers
asked by
Oliva
307 views
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