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Stoichiometry
Page 4
Questions (11,820)
A test of an automobile engine exhaust revealed that 3.7g of NO2 was emitted in 10 minutes of operation. How many moles of NO2
4 answers
asked by
PJcotieboi
3,158 views
Can one calculate the number of moles of air? If so, calculate the number of moles in 1 kg of air (making sure your calculation,
9 answers
asked by
sarah
3,288 views
if 8.6L of H2 reacted with 4.3L of O2 at STP, what is the volume of gaseous water collected (assuming none of it condenses)?
5 answers
asked by
Anonymous
7,281 views
In an experiment 3.10g of carbon, hydrogen and oxygen produced 4.4g of C02 and 2.7g of water on complete combustion. Determine
5 answers
asked by
The Okome
2,714 views
A solution containing equal masses of glycerol, C3H8O3, and water has a density of 1.10 g/mL. Calculate the molality of
5 answers
asked by
Student
5,301 views
How many milliliter of 0.150 M H2SO4 (sulfuric acid) are required to react with 1.87 g of sodium hydrogen carbonate, NaHCO3,
5 answers
asked by
Henry
1,666 views
What is the theoretical yield of PI3 from the reaction of 27.0 g of P and 68.0 g I2? 2P(s)+3I2(s) 2PI3(s)
4 answers
asked by
Becca
5,125 views
How many moles of silver will be deposited from a silver (i) trioxonitrate (v) solution by 16.0g of copper (Ag=108,Cu=63.5)
4 answers
asked by
Gift
1,671 views
How many molecules of BrF2 form when 384g Br2 react with excess F2?
equation: Br2 + 5F2 ---> 2BrF5 I really just need the
5 answers
asked by
Ana
2,640 views
Calculate the volume of CO2 that would be produced from 0.5 mole of Fe2O3 according to the
5 answers
asked by
Joy
1,508 views
What is the molar mass of a solute if 62 g of the solute in 125 g of water produce a 5.3 molal solution?
5 answers
asked by
Anna
815 views
How many grams of CH4 are required to produce 43 g of Cu according to the following equation: 4CuO + CH4 --> CO2 + 2H20 + 4Cu?
I
5 answers
asked by
Casey
2,394 views
How many molecules are in 15g CH4? How do you figure this out?
4 answers
asked by
Lauren K.
1,300 views
Calculate the mass of each product formed when 43.82g of diborane (B2H6) reacts with excess water:
B2H6(g) + H2O(l)--> H3BO3(s) +
6 answers
asked by
TeeJay
4,333 views
How many moles of Al are needed to form 2.43 mol of Al2Br6?
4 answers
asked by
Carol
3,479 views
How many grams equal 6.3 mol of N2?
4 answers
asked by
pinky
1,218 views
calculate the number of atoms present in 3.4g of h2s?
7 answers
asked by
plzzz find
2,486 views
You purchased a 5.00 pound bag of sugar (sucrose, C12H22O11) at the grocery last week to bake cookies. Conversion: 1 pound = 1
4 answers
asked by
Chelsea
5,949 views
A solution of trioxonitrate (V) acid contained 0.67g in 100cm3. 31.0cm3 of this solution
neutralized 25cm3 of a sodium
5 answers
asked by
BROOKLYN
1,991 views
10.0 mol of ammonia gas is injected into a 4.0 L container. At equilibrium 1.2 mol of nitrogen gas is found in the container.
5 answers
asked by
Alicia
3,671 views
I can't get this!
If 4.00 g of H2 are made to react with excess CO(g) how many grams of CH3OH(l) can theoretically be produced
4 answers
asked by
Veronica
1,520 views
8. If you were given 300g of Fe2O3 and were asked to calculate the number of molecules in the sample, what would be the correct
5 answers
asked by
heyo ❄
536 views
How many milliliters of a solution containing 2 mEq of potassium chloride (KCl) per milliliter should be used to obtain 2.98 g
4 answers
asked by
Nico
1,401 views
2.00 L of NO(g) at 1.00 atm and 25°C is reacted with 1.00 L of H2(g) at 2.00 atm and 25°C according to the following
4 answers
asked by
josh
1,664 views
How many grams of NaCl would be formed from 100 grams of Na2CO3 in the following reaction?
Na2CO3 + 2 HCl → 2 NaCl + CO2 + H2O
4 answers
asked by
james smith
2,503 views
calculate the amount of 95% marble required to obtain 11.2Litres OF CARBON DIOXIDE
4 answers
asked by
sum
3,419 views
If 15.omL of 0.0250 M aqueous H2SO4 is required to neutralize 10.0 mL of aqueous solution of KOH, what is the molarity of the
5 answers
asked by
Tina
2,463 views
Write out all the mole ratios of Al + H2SO4 —> Al2(So4)3 + H2 there are 5 in total
6 answers
asked by
gabe
901 views
How do you calculate the moles of triiodide that is consumed by a thiosulfate titrant in a Vitamin C titration?
IO3– + 8 I– +
4 answers
asked by
Elise
1,499 views
a .72g sample of polyvinyl chloride is dissolved in 250.0ml of a suitable solvent at 25C. the solution has an osmotic pressure
3 answers
asked by
emerald
1,567 views
How many moles are in 7.5x10^24 molecules of carbon dioxide? Grams?
5 answers
asked by
Jake
2,605 views
calculate how many grams of chloride ions are present in 50 grams of ocean salts
4 answers
asked by
T-perry
1,032 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
1,414 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
1,784 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
5,342 views
H3PO4 + 3KOH = K3PO4 + 3 H2O What would be the percent yield if you reacted 49.0g of H3PO4 with 112g of potassium hydroxide, and
4 answers
asked by
Glenda
2,609 views
Find the number of moles in 2.00 L of gas at 35.0°C and under 7.41×107 N/m2 of pressure.
Select one: a. 0.051 moles b. 51 ×105
4 answers
asked by
Sandra
1,664 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
768 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
405 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
4,790 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
729 views
What volume of hydrogen, reacting with nitrogen, will produce 500 dm^3 of NH3 at STP?
3 answers
asked by
Emily
661 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
1,479 views
The reaction between 34.0 g of NH3 and excess oxygen gas produces 45.9 g of NO gas and some water. Determine the percent yield.
4 answers
asked by
bri
2,532 views
I was doing a lab experiment on the reaction of copper(II) sulphate and aluminum:
1) I measured 2.02g of copper(II) sulphate
4 answers
asked by
Patrick
1,917 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
454 views
A mixture containing 11.9 g of calcium fluoride and 10.3 g of sulfuric acid is heated to drive off hydrogen fluorid. Given the
4 answers
asked by
Sara
620 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
2,515 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
383 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
305 views
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