What is the gravimetric factor when the desired substance is Cr2O3 and the weighed substance is PbCrO4?   a 2 moles Cr2O3 is to 1 mole PbCrO4   b 2 moles Cr2O3 is to 2 moles PbCrO4   c 1 mole Cr2O3 is to 2 moles PbCrO4   d 1 mole Cr2O3 is to 3 moles PbCrO4

Q: : Find the percentage of each problem. Balance it if necessarry. Show your solution. (kindly refer…

A: Given: Balanced equation: 2. 2Fe + 2CuSO8 → 2Cu + 2FeSO8

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A: Balance the following reaction __C7H8 + __HNO3 ----> C7H5N3O6 + __H2O

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Q: A commercial vinegar is analyzed for the percent acetic acid present. The data for the first trial…

A: The percentage by mass of a compound can be calculated by the ratio between the mass of the compound…

Q: Given the following reaction : 4NH3(g) + 3 O2 (g) > 2N2 (g) + 6H2O (I) Calculate ∆G° 298

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Q: 2MnO4- (aq) +   5C2O42-(aq) + 16H+(aq)   ----> 10CO2(g) + 2Mn2+(aq) + 8H2O (l) What is the…

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Q: nitric acid + potassium sulfite Mol: Ionic: Net:

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Q: Moles of CaCO3 consumed in the reaction

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Q: Given: Na2CO3+2HCl -->2NaCl+H2O+CO2 A 0.971gram  sample of Na2CO3 is reacted with 14.2mL of 1.20M…

A:

Q: (Eqn. 3)   1 IO3− + 8 I− + 6 H+ → 3 I3− + 3 H2O    (Eqn. 4)  2S2O32− + I3− → 3I− + S4O62− Multiply…

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Q: 1.) What is the correct coefficient for H2O in this reaction? _____ Ca(OH)2(aq) + _____ HNO3(aq) →…

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Q: Balancing PbCl2+AgNo3= Pb(No3)2+ AgCl

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A: We have to fill the table.

Q: (14pts) Concentration Table view List view Table 4. Concentration calculations Mass of empty…

A:

Q: Calculate the amount in grams of citric acid that you would need to complete the reaction for the…

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Q: A. Standardization of NaOH Solution Chemical Reactions: Molecular Equation: HCl(aq) + NaOH(ag) –→…

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A:

Q: This is an experiment of a salt hydrate CuSo4 xH20 obtained during a practical. Use these values to…

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Q: If the # of moles of sodium carbonate you used was 2.75 x 10^ -2 and the number of moles of cobalt…

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Q: Convert 0.377 g aluminum to moles of aluminum. Group of answer choices 71.6 moles 0.140 moles 28.4…

A:

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Q: Calculate the overall AH°ffor the following chemical reaction in kJ/mole to 2 decimal places. 13…

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Q: Write the Keq for the following reaction: N2(g)+3H2(g)~2NH3(g)

A: Detail description is given below

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Q: How many moles of Fe2O3 are produced when 0.275 moles of Fe is reacted?  0.137 mole Fe2O3 0.138 mole…

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Q: Suppose a sample of vinegar contains 0.0685 g/mL of acetic acid, which has a molar mass of 60.052…

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Q: How many numbers of ions are produced when C6H12O6 dissolves in water?

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Q: 2NaOH + H₂SO4 → 2H₂O + Na2SO4 AH = -112 kJ 50.0 mL of 0.50 M H2SO4 is added to 60.0 mL of 0.80 M…

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Stoichiometry

Stoichiometry is a chemical division that evaluates the quantitative content of the chemical process with the help of the reacting molecules or products taking part in the reaction. The term “stoicheion” in “Stoichiometry”, is an old Greek term for "element" whereas “metron” means "measure".