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Stoichiometry
Page 10
Questions (11,774)
How many numbers of oxygen molecules are present in 3 liters of CO2 at STP?
3 answers
asked by
Axis
901 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
2,506 views
The equivalence point of a titration is reached when 35.50 mL of 0.40 M HBr is added to a 25.00 mL sample of LiOH. The original
3 answers
asked by
help asap
1,167 views
using the titration equation below calculate the number of moles of molecular iodine (I2) that must have reacted with the sodium
3 answers
asked by
Yul
1,433 views
How many moles of helium are contained in a 5.00-L canister at 101 kPa and 30.0 degrees Celsius? I don't understand how to get
4 answers
asked by
Walker
2,868 views
In a reaction chamber, 3.0mol of aluminum is mixed with 5.3mol Cl2 and reacts. The reaction is described by the following
3 answers
asked by
Jack
4,537 views
Calculate the moles of C in 0.185 mole C6H14O
3 answers
asked by
Anonymous
337 views
A o.8378g sample of calcium oxalate is heated to 1000°C.(a) calculate the moles of CaO remaining after ignition .(b)calculate
4 answers
asked by
Kenneth
447 views
In the reaction of 2.75 g of magnesium metal with excess hydrochloric acid, what volume of hydrogen gas will be produced by the
4 answers
asked by
Dee
800 views
Consider the reaction below :
P4(s) + 5O2(g) P4O10(s) How many grams of phosphorus react with 1.195 x 102 L of oxygen (O2) at STP
3 answers
asked by
Rayan
982 views
What mass of water is needed to completely react a 8.1 g packet of magnesium
3 answers
asked by
Dina
554 views
Greg reacts 5.0 moles of hydrochloric acid(HCL)with 1.5 moles of barium hydroxide(Ba(OH)2).Which reagent is the limiting
4 answers
asked by
Jeff
1,336 views
A reaction yields 3.75 L of nitrogen monoxide. The Volume is measured at 19 *C and a pressure of 1.10 atm. What mass of NO was
4 answers
asked by
CHEMMY
1,782 views
Na2CO3 + 2HNO3 -> 2NaNO3 + H2O + CO2
Time(s) Mass of Flask Plus Contents (g) 0 150.50 10 149.30 20 148.10 30 148.10 a)calculate
3 answers
asked by
lemon
1,128 views
How many grams of oxygen can be produced from the decomposition of 100g of KClO3?
5 answers
asked by
Mentally Frazzled
4,827 views
How many drops (1 drop=0.05mL) of 0.20M KI must we add to 100.0 mL of 0.010M Pb(NO3)2 to get a precipitate of lead iodide to
6 answers
asked by
Cody
1,201 views
Calculate the number of moles and number of grams of solute in 250 mL of a 0.10M CaCl2.
4 answers
asked by
Shaun
2,696 views
How many moles of H are present in 1.85 moles of Benadryl?
Express your answer to three significant figures and include the
3 answers
asked anonymously
77 views
25g of a sample of ferrous sulphate was dissolved in water containing dilute h2s04 and the volume made up to one litre. 25ml of
2 answers
asked by
Fai
589 views
A 10g sample of impure iron iii sulphate, FeSO4 was dissolved in water to make 250cm3 of solution. Exactly 25.0cm3 of the
3 answers
asked anonymously
193 views
When 3.05 moles of CH4 are mixed with 5.03 moles of O2 the limiting reactant is __________.
CH4 + 2O2 �¨ CO2 + 2H2O A) CH4 B)
4 answers
asked by
Janaiby
3,821 views
In the combustion of natural gas according to the equation CH4 + 2 O2 -> CO2 +2 H20, how many grams of water are formed during
3 answers
asked by
Andrew
3,689 views
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
1,415 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
1,058 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
Calculate volume of Carbon dioxide produced on heating 10g of limestone at S.T.P
2 answers
asked by
Mohit
812 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
528 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
471 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
21 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
24 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
28 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
54 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
44 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
26 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
21 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
25 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
33 views
Describe solution stoichiometry
1 answer
asked by
Mirriam Mwanza
27 views
What is the amount (in g) of acetic acid (CH3COOH) needed to make a 1.00 kg, 7.00 % (by mass) CH3COOH solution?
a. 70 g b. 100 g
1 answer
asked anonymously
26 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
27 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
25 views
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