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Stoichiometry
Page 7
Questions (11,722)
How many grams of KOH are needed to neutralize 12.9 mL of 0.16 M HCl in stomach acid?
5 answers
asked by
Madi
12,008 views
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
10,450 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
9,920 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
1,453 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
7,127 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
9,901 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
7,145 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
3,196 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
6,692 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
4,171 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
8,880 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
3,465 views
Calculate the empirical formula of Tylenol: C, 63.56%; H, 6.00%; N, 9.27%; O, 21.17%
6 answers
asked by
Jamie
9,103 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
8,122 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
4,795 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
2,874 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
6,051 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
4,401 views
If it takes three "breaths" to blow up a balloon to 1.2 , and each breath supplies the balloon with 0.060 moles of exhaled air,
5 answers
asked by
George
16,236 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
3,568 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
1,393 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
7,752 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
4,945 views
Calculate whether or not a precipitate will form if 1.40 mL of 0.62 M NH3 are added to 4.4 L of 1.0 10-3 M FeSO4.
4 answers
asked by
Annie
3,401 views
Determine the number of moles and the mass of argon occupying 37.8L at stp
6 answers
asked by
Tenzin
2,033 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
15,008 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
2,574 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
4,309 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
2,552 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)
3,757 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
1,649 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
4,375 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
2,032 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
3,453 views
How many grams of SO2 can be produced from 100g of S and excess O2
5 answers
asked by
Mo
1,955 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
3,439 views
the number of moles in 12.04x10^23 molecules of Oxygen
5 answers
asked by
kevin
2,188 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
8,279 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
7,587 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
5,208 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
1,640 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
2,604 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
2,015 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
2,038 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
4,342 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
2,033 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
5,501 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
3,954 views
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