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Stoichiometry
Page 3
Questions (11,820)
What is the maximum mass(g) of KCL that can be added to 1.00L of a 0.0100 M lead(ii) chloride solution without causing any
4 answers
asked by
Alex
2,501 views
A metal x with relative atomic mass 56 form an oxide with formula X2 O3 how many grams of metal will combine with 10g of
6 answers
asked by
Yahdel
2,410 views
What is the volume of nitrogen that will be produced at stp from the decomposition of 9.60g of ammonium dioxonitrate(III)?
5 answers
asked by
The orange baboon
1,040 views
A solution of 2.50 g of a compound having the empirical formula C6H5P in 25.0 g of benzene(C6H6) is observed to freeze at 4.3
4 answers
asked by
Sara
4,882 views
If 300 mL of 3.9 molar HCl solution is added
to 200 mL of 2.2 molar NaOH solution, what will be the molarity of NaCl in the
4 answers
asked by
cheri
851 views
How many moles of solute are contained in a 150ml solution of a 0.25 M NaNO3 solution?
4 answers
asked by
Ed
1,813 views
What volume of hydrogen would be required to produce 0.400 mole of HCl at STP?
H2(g) + Cl2 (g) → 2HCl(g)
4 answers
asked by
Valeria
1,321 views
Number of molecules in 16g of H2CO3
4 answers
asked by
Sabrina
318 views
How many moles of hydrogen would be obtained if 2.7g of aluminium reacts with excess hydrochloric acid?
3 answers
asked by
Serena
710 views
how many grams of oxygen is needed to burn 500 grams of pentane?
3 answers
asked by
Anonymous
630 views
If 8.5g of pure ammonium phosphate , (NH4)3PO4(s), is dissolved in distilled water to make 400mL of solution, what are the
4 answers
asked by
Kristien
1,339 views
If 8.5g of pure ammonium phosphate , (NH4)3PO4(s), is dissolved in distilled water to make 400mL of solution, what are the
2 answers
asked by
Kristien
933 views
0.318g of an oxide metal M was completely reduced by hydrogen gas to 0.254g of metal.Calculate the empirical formula of metal
1 answer
asked anonymously
53 views
Elements A and B react according to the following balanced equation. 3A2+2B → 2A3B3A2+2B → 2A3B The molar mass of element A
1 answer
asked anonymously
30 views
The number of grams in three moles of solid ammonium chlride, NH4Cl(s) is
A. 50.47 g b. 53.50 g c. 103 g d. 160 g
5 answers
asked by
Blaeonk
1,160 views
a titration required 18.38mL of 0.1574 M NaOH solution. how many moles of NaOH were in this volume?
11 answers
asked by
Gurjot
7,006 views
What mass of NaCl do you need to make 71g of Cl2?
4 answers
asked by
savannah
2,353 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
324 views
What is the molarity of a solution of 10.0% by mass cadmium sulfate, CdSO4 (molar mass = 208.46 g/mol) by mass? The density of
4 answers
asked by
jojo
5,934 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
5,223 views
The question is: Find the following quantities
the volume, in liters, of 835 g SO3 at STP My answer is: 1 mol of SO3=80g 835g/80g
6 answers
asked by
Mike
7,268 views
6.3 mg of a boron hydride is contained in a flask of 385 mL at 25. degrees C and a pressure of 11 Torr.
A. determine the molar
6 answers
asked by
Anonymous
4,964 views
What mass of an NO2 is formed when and NO reacts with 384 g of O2?
5 answers
asked by
MsHemmoPenguin
4,143 views
If 20 mL of 0.01 M aqueous HCl is required to neutralize 30 mL of an aqueous solution of NaOH, determine the molarity of the
5 answers
asked by
Emily
2,378 views
Calculate the mass of 15.0 L of NH3 at 27 degrees C and 900 mmHg.
Mass of NH3 = 12.2 g
7 answers
asked by
Anonymous
8,974 views
23.780 g of acetaldehyde (CH3CHO) reacts completely with oxygen to produce acetic acid (HC2H3O2) using manganese (II) acetate
3 answers
asked by
ezile
163 views
You burn 6 grams of carbon in plenty of air:
C ( s) + O2 ( g) = CO2 ( g) a What volume of gas will form (at rtp)? b What volume
10 answers
asked by
Maya
5,837 views
a sample of Ca3(PO4)2 contains 3.1g phosphorus then the weight of Ca in the sample is ?
3 answers
asked by
Husen
3,023 views
Sodium thiosulfate, Na2S2O3, is used as a fixer in photographic film developing. The amount of Na2S2O3 in a solution can be
4 answers
asked by
Anonymous
1,544 views
A student mixes 35.0 mL of 2.82 M Pb(NO3)2(aq) with 20.0 mL of 0.00221 M Na2C2O4(aq). How many moles of PbC2O4(s) precipitate
5 answers
asked by
Anon
4,401 views
9.0g of hydrated salted CuSO4 x H2O was dissolved in 500cm3 of water and it's concentration in moldm3 was experimentally found
4 answers
asked by
Francisca
395 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
1,235 views
What is the percent yield of CO2 if a reaction using 10.0 g CO with excess O2 produces 12.8 g CO2?
2CO + O2 → 2CO2
5 answers
asked by
lala
6,234 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
9,926 views
Calculate the total number of atoms in 0.00102 mol CH3(CH2)4CH2OH
The answer in the back of my book says 1.29 x 10^22 but i do
5 answers
asked by
Bob
4,949 views
What mass of NO2 is formed by the complete reaction of 2 mol O3 with excess NO in the reaction?
O3 + NO --> O2 + NO2 I know the
4 answers
asked by
Anonymous
2,898 views
Deduce the number of nitrogen atoms in:
5.00 x 10^-3 mol of ammonia, NH3 and 4.601 g of nitrogen dioxide, NO2
6 answers
asked by
Syndra
4,333 views
How many moles of silver will be deposited from a silver(i)trioxonitrate(v)solution by 16g of copper (Ag=108, Cu=64).
6 answers
asked by
Nurudeen
2,305 views
Calculate the empirical formula of Tylenol: C, 63.56%; H, 6.00%; N, 9.27%; O, 21.17%
6 answers
asked by
Jamie
9,115 views
How many moles of O2 are needed to react with 2.50 mol of C2H2?
5 answers
asked by
Anonymous
4,089 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
2,891 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
6,080 views
Indicate the number of equivalents in each of the following:
4mol Mg2+ 0.1mol H+ 2mol Cl- 3mol Fe3+
5 answers
asked by
Katherine
10,258 views
how many moles of iron would have been used up if 45.0g of copper were to be produced?
is it # mols Fe = 45.0gCu x 1mol/63.5g =
7 answers
asked by
Lily
3,291 views
How many grams of K2SO4 would you need to prepare 1500 g of 5.0% K2SO4 (m/m) solution?
5 answers
asked by
Jack
7,225 views
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
3,159 views
What is the mass, in grams, of 1.30 mol of water, H2O?
4 answers
asked by
Sheia
2,490 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
7,284 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
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