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Stoichiometry
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Questions (11,720)
How many grams of solid NaOH are required to prepare 500 ml of a 0.04 M solution? (b) Express the concentration of this solution
5 answers
asked by
Karar Samet
3,528 views
Consider the reaction
2Al + 3CuSO4 = Al2(SO4)3 + 3Cu What is the maximum amount of Cu (63.5 g/mol) that could be produced by
4 answers
asked by
Annalie
4,726 views
Water is added to 4.267 grams of UF6. The only products are 3.730 grams of a solid containing only uranium, oxygen and fluorine
4 answers
asked by
Deanne
4,518 views
If 0.08 mol of LiCl is added to a one liter solution that has dissolved 0.01 mol of PbCl2, will a precipitate
occur?
4 answers
asked by
Allie
788 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
2,379 views
How many moles of O are in 13.0 mol Fe(NO3)3?
can you please find this using dymensional analysis and show me how you worked it?
4 answers
asked by
sara
3,117 views
How much carbon dioxide measured at 25.0◦C
and 821 Torr would be produced by the combustion of 319 g of glucose (C6H12O6)? 1.
9 answers
asked by
Evelyn
2,412 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
3,658 views
A hydrocarbon Y on combustion gives 0.352g of carbon(iv)oxide and 0.18g of water. Calculate the empirical formula of the
5 answers
asked by
The orange baboon
2,135 views
Br2 + 5F2 --> 2BrF5
How many molecules Br2 react with 1.11 x 10^20 molecules F2? I got 2.21 x 10^47 but I feel that's too big and
7 answers
asked by
Ana
3,253 views
According to the following chemical equation:
N2 + 3H2 → 2NH3 How many grams of hydrogen are needed to completely react with
4 answers
asked by
cc
1,529 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
2,428 views
consider the reaction in which 410 grams of Ca(NO3)2 react with just the right amount of lithium metal in a single replacement
4 answers
asked by
need help
2,506 views
In one experiment, 7.62 g of Fe are allowed to react with 8.67 g of S. What is the limiting reagent, what is the mass of FeS
4 answers
asked by
Jorge
6,168 views
The iron in a 0.6656 g ore sample was reduced quantitatively to the +2 state and then titrated with 26.753 g of KMnO4 solution.
9 answers
asked by
Gloria
3,180 views
If 4.39 g AlCl3 is dissolved in enough water to make exactly 100.0ml of a solution, what is the molar concentration of the
4 answers
asked by
Karen
4,012 views
In a reaction 6.56g of Zinc reacted with excess dilute Hydrochloric acid Calculate the volume of hydrogen evolved at STP
4 answers
asked by
EMILY
1,075 views
calculate how many grams of chloride ions are present in 50 grams of ocean salts
4 answers
asked by
T-perry
1,017 views
If 6.57 g of iron are reacted with an excess of hydrochloric acid, HCI, then hydrogen gas and14.63 g of iron (III) chloride are
4 answers
asked by
haley
1,926 views
Heat 1kg of CaCO3, get 560g of CaO.
Write the reactant equations and solve the mass of CO2 that born. The CaO is 100% pure.
4 answers
asked by
Melly
602 views
dr. halite combined sodium metal with chlorine gas to make sodium chlorine (table salt). The chemical reaction used up all of
4 answers
asked by
artie
1,194 views
Question: A volume of 26.00ml of 4.30 M. HCL is mixed with 33.70 ml of 10.80 M H3PO4 s mixture is diluted to 1.00 liter with
4 answers
asked by
Eliz
671 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
438 views
Consider the following reaction:
2H2S (g) + 3O2 (g) --> 2SO2 (g) + 2H2O (g) If O2 was the excess reagent, 1.3 moles of H2S were
4 answers
asked by
:(
2,332 views
What mass of water is needed to completely react a 8.1 g packet of magnesium
3 answers
asked by
Dina
547 views
calculate the theoretical number of moles of HCl equivalent to 1 mole of
a) NaHCO3 b)CaCO3 c)Al2O3
6 answers
asked by
prince
1,371 views
Express each quantity as a mass in grams.
a) 3.70mol of H2O b) 8.43 x 10^23 molecules of PbO2
3 answers
asked by
Marty
1,169 views
If a chemist titrates 300.0 mL of H2SO4 with a 3.0 M solution of NaOH and requires only 3.4 mL of the base to reach the
2 answers
asked by
Spacy1996
1,237 views
Methane, CH4 burns in oxygen gas to form carbon dioxide and water. How many moles of carbon dioxide will be formed from 8.0g of
5 answers
asked by
Denmark
8,381 views
A 0.4550g solid mixture containing CaSO4 dissolved in water and treated with an excess of Ba(NO3)2, resulting in precipitation
5 answers
asked by
JACI WINLOW
4,125 views
What mass of NaCl do you need to make 71g of Cl2?
4 answers
asked by
savannah
2,335 views
The molar mass of hydrated sodium carbonate is found to be 268g the formula of the hydrated sodium carbonate is Na2CO3.xH2O
Calcu
7 answers
asked by
Bonia
306 views
Consider the reaction
4 KO2(s) + 2 CO2(g) → 2 K2CO3(s) + 3 O2(g). How much KO2 is needed to react with 75.0 L of carbon dioxide
4 answers
asked by
William Dane
2,332 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
3,631 views
Determine the final volume of the solution if 0.783 grams of Na2CO3 is used to make a 0 348 M solution
Show all calculations
2 answers
asked by
Bonia
112 views
4. Suppose that an excess of propane, C3H8 , burns in 320 g of oxygen, How many moles of water will be formed?
C3H8 + 5 O2 --> 3
7 answers
asked by
Hannah
4,588 views
An excess of silver nitrate solution was added to 10.0cm3of sodium chloride solution, and 0.717g of silver chloride was
4 answers
asked by
Jack
1,293 views
If 6.5g of zinc reacts with 5.0g of HCL,according to the reaction.Zn + 2HCL:zncl2+h2 Which substance is the limiting reaction?
15 answers
asked by
Ettefa Tirfessa
5,195 views
24 g of carbon and 32 g of oxygen combine to form carbon monoxide. What is the mass of the carbon monoxide formed?
5 answers
asked by
Hii
1,016 views
5C(s) + 2SO2(g) > CS2(l) + 4CO(g)
How many moles of carbon monoxide form at the same time that 0.246 mol CS2 forms?
5 answers
asked by
Tristan
6,552 views
A mixture weighing 7.290 mg contained only cyclohexane, C6H12 (FM 84.159), and oxirane, C2H4O (FM 44.053). When the mixture was
7 answers
asked by
RJ
6,543 views
A mixture of NaCl and sucrose (C12H22O11) of combined mass 10.2 g is dissolved in enough water to make up a 250 mL solution. The
3 answers
asked by
Brittany
3,134 views
If 15.50 of Pb( No3)2 are reacted with 3.81g of NaCl then NaNo3 and with PbCl are formed calculate the Mass of the excess
2 answers
asked anonymously
112 views
How many moles of hydrogen are required to completely hydrogenate one mole of pent-1-en-3-yne?
4 answers
asked by
bob
151 views
Consider the reaction between reactants S & O2
2S(s) + 3 O2(g) ==> 2 SO3(g) If a reactant vessel initially contains 5 mol S and 9
10 answers
asked by
Monique
6,134 views
56g of N2 reacts with 30g of H2 to form NH3.Calculate the number of moles of NH3 formed.
4 answers
asked by
Anina Anna Charley
4,612 views
calculate the number of oxygen needed to oxidize 12.5grams of glucose (C6H12O6) into carbon dioxide and water. (Combustion
4 answers
asked by
Opo
4,967 views
How many gram of hydrogen chloride acid containing 10% by mass of hydrogen chloride acid would be required to dissolve 13g of
5 answers
asked by
Mercy
1,214 views
how many grams of Na are needed to react with H2O to liberate 400mL of H2 gas at STP?
5 answers
asked by
justin
1,765 views
Commercial brass, an alloy of Zn and Cu, reacts with hydrochloric acid as follows.
Zn(s) + 2 HCl(aq) ZnCl2(aq) + H2(g) (Cu does
9 answers
asked by
Kris
2,498 views
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