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Stoichiometry
Page 7
Questions (11,726)
When 20.0 g C2H6 and 60.0 g O2 react to form CO2 and H2O, how many grams of water are formed?
9 answers
asked by
pls help
10,453 views
How many moles of magnesium is 1.25 x 1023 atoms of magnesium?
A. 0.208 × 101 mol Mg B. 2.08 × 101 mol Mg C. 2.08 × 10 -1 mol
7 answers
asked by
Drew
9,924 views
25g of NH3 is mixed with 4 moles of O2 in given reaction. 4NH3(g)+5O2(g)-->4NO(g)+6H2O(1) Which is limiting reactant?
5 answers
asked by
Shimallis
1,456 views
When 20.5g of methane and 45.0g of chlorine gas undergo a reaction that has a 75.0% yeild, what mass of chloromethane forms?
6 answers
asked by
Sam
7,129 views
Given reaction 2NH3(g) + 3Cl2(g) → N2(g) + 6HCl(g), you react 5.0 L of NH3 with 5.0 L of Cl2 measured at the same conditions
5 answers
asked by
Ha
9,903 views
What is the minimum amount of 6.0 M H2SO4 necessary to produce 19.0 g of H2(g) according to the reaction?
2Al(s)+3H2SO4(aq)→Al2
5 answers
asked by
anon
7,147 views
Determine the number of moles of N atoms in 43.5 g of Mg(NO3)2.
Textbook answer: 1.43 mol N My answer: 43.5 g Mg(NO3)x x (1 mol
4 answers
asked by
Bob
3,200 views
Silver chloride, often used in silver plating, contains 75.27% Ag. Calculate the mass of silver chloride in grams required to
7 answers
asked by
hannah
6,696 views
I don't understand this question?
What is the maximum amount in grams of SO3 that can be produced by the reaction 1.0 g of S with
4 answers
asked by
Yukiko
4,173 views
If 8.00 moles of NH3 reacted with 14.0 moles of O2, how many moles of H2O will be produced?
4NH3 (g) + 7O2 (g) --> 4NO2 + 6H2O
4 answers
asked by
Argh
8,883 views
calculate the number of moles of solute present in 124.0g of a solution that is 6.45% glucose by mass.
4 answers
asked by
lulu
3,468 views
Calculate the empirical formula of Tylenol: C, 63.56%; H, 6.00%; N, 9.27%; O, 21.17%
6 answers
asked by
Jamie
9,105 views
How many moles of HNO3 are present if 0.236mol of Ba(OH)2 was needed to neutralize the acid solution?
4 answers
asked by
Anon
8,125 views
Sulfur trioxide dissolves in water, producing H2SO4. How much sulfuric acid can be produced from 12.1 mL of water (d=1.00g/mL)
5 answers
asked by
Jon
4,797 views
How many grams of calcium oxide, CaO, can be produced from 4.20 g of calcium metal and 1.60 g of oxygen gas?
5 answers
asked by
Erika
2,876 views
2Na3PO4 + 3CaCl2 ----> Ca3 (PO4)2 + 6NaCl
how many moles of CaCl2 remain if .10 mol Na3PO4 and .40 mol CaCl2 are used? When
5 answers
asked by
Hawk
6,053 views
Consider the following reaction:
2 SO2 (g) + O2 (g)----> 2 SO3 (g) If 285.3 mL of SO2 is allowed to react with 158.9 mL of O2
7 answers
asked by
Jarrod
4,403 views
Using the following balanced equation, how many moles of NaCl can be produced from 0.314 moles of Na3PO4?
3 FeCl2 + 2 Na3PO4 →
5 answers
asked by
Daisy
3,570 views
What is the mass, in grams, of 1.30 mol of water, H2O?
4 answers
asked by
Sheia
2,477 views
What volume is produced when 10g of propyne is burnt in excess oxygen at S. T P
5 answers
asked by
Francis
1,395 views
Refer to the following equation: 4NH3 + 7O2= 4NO2 +6HO, How many moles of ammonia would be required to produce 11.9 mol of
5 answers
asked by
Jessica
7,754 views
how many grams of calcium oxide are needed to produce 36.0 g of Hg.
4HgS +4CaO--> 4Hg +3CaS + CaSO4.
4 answers
asked by
Miley
4,947 views
Determine the number of moles and the mass of argon occupying 37.8L at stp
6 answers
asked by
Tenzin
2,035 views
Given the following equation:
2KClO3---> 2KCl+3O2 How many moles of O2 can be produced by letting 12.00 moles of KClO3 react?
7 answers
asked by
Nick
15,010 views
Confused
What is the percent composition of chlorine in PCl5?
7 answers
asked by
Shine Bright Shine Far
4,063 views
In order to neutralize the acid in 10.0 mL of 18.0 mol/L sulfuric acid that was spilled on a laboratory bench, sodium
4 answers
asked by
Jennifer
2,578 views
A sample of impure magnesium was analyzed by allowing it to react with excess HCl solution:
Mg(s) + 2 HCl(aq) → MgCl2(aq) +
5 answers
asked by
James
4,312 views
A mixture of 5.00 g of sodium carbonate, Na2CO3 and sodium hydrogen carbonate, NaHCO3 is heated. The loss in mass is 0.31 g.
5 answers
asked by
Anonymous
2,555 views
How many grams of sucrose (C12H22O11)
must be dissolved in 200 g water to make a solution in which the mole fraction of sucrose
4 answers
asked by
May (PLEASE HELP)
3,759 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
1,651 views
if an excess of nitrogen is reacted with 3.41 g of hydrogen, how many grams of ammonia can be produced?
5 answers
asked by
Anonymous
4,378 views
A sample of magnesium with a mass of 1.00 g is burned in oxygen to produce an oxide with a mass of 1.66 g. What is the empirical
4 answers
asked by
Doris
2,035 views
Heres the question:
"In determining the simplest formula of lead sulfide, 2.46 grams of lead are placed in a crucible with 2.00
5 answers
asked by
Tran
3,456 views
How many grams of SO2 can be produced from 100g of S and excess O2
5 answers
asked by
Mo
1,958 views
Using the equation:
2C2H6 + 7O2--> 4CO2 + 6H20 How may moles of 02 are needed to react with 4.0 mol of C2H6? I think the answer
6 answers
asked by
Eric
3,443 views
the number of moles in 12.04x10^23 molecules of Oxygen
5 answers
asked by
kevin
2,189 views
Calculate the molar solubility of Cr(OH)3 in a solution with a PH of 11.6 knowing that the Ksp(Cr(OH)3)=6.7×10^-31.
4 answers
asked by
Last
8,281 views
What is the mass of 50.0 L of O2(g) at STP?
O is 16g/mole, so O2 is 32g/mole. 50/32 = 1.5625 moles. 1 mole of any gas at stp is
7 answers
asked by
Shine bright shine far
7,589 views
Given the reaction:
C8H16 + 12O2 --> 8CO2 + 8H2O How many moles of H2O are produced when 11.2 liters of C8H16 gas, measured at
6 answers
asked by
Lori
5,211 views
What mass of benzoyl peroxide is present in 150g of an acne solution with a 5.0% M/M benzoyl peroxide concentration?
A) 7.5g B)
4 answers
asked by
Rachel
1,643 views
on heating the hydrate CaSO4*2H2O, how many moles of water should be driven off per mole of hydrate?
1 mole?
4 answers
asked by
c
2,605 views
Calculate the molarity of a sodium hydroxide solution if 10.42 mL of this solution are needed to neutralize 25.00 mL of 0.2043 M
5 answers
asked by
Anonymous
2,018 views
A mixture containing only BaO and CaO weighs 1.5 g. The oxides are converted to the corresponding mixed sulfates, which weigh
4 answers
asked by
Janjan
2,040 views
Consider the reaction of solid aluminum iodide and potassium metal to form solid potassium iodide and aluminum metal.
The
9 answers
asked by
anonymous
4,344 views
Calculate the percent yield for an experiment in which 46.9 g of SO3 was produced upon the reaction of 51.2 g of SO2 with 25.0 g
4 answers
asked by
Anonymous
2,035 views
The problem ask what is the mass of iron(iii) chloride contains 2.35 x 10^23 chloride ions.
I understand the molar mass is 162.20
5 answers
asked by
Shadow
5,505 views
Calculate the molarity of a phosphoric acid(H3PO3)solution that is 84% by mass phosphoric acid and has a density of 1.87g/mL.?
5 answers
asked by
Lahna
3,957 views
I am really having trouble answering this question, can someone help?
A binary compound between an unknown element E and hydrogen
4 answers
asked by
Melissa
3,450 views
how many moles of water vapour are formed when 10 liters of butane gas C4H10 is burned in oxygen at stp?
20 answers
asked by
nati
6,519 views
predict whether or not a precipitate will form if you mix 75ml of a NaOH solution with pOH = 2.58 with 125ml of a 0.018M MgCl2
4 answers
asked by
glenn
3,171 views
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