A student reacts 832 mL of 5.43 M NazCO3 with excess AICI, in the lab, according to the balanced chemical equation below, and finds that she can produce 0.72 mole of Al2 (CO3)3. What is the percent yield for her experiment? 3NA2CO3(aq) + 2AIC13 (aq) → Al2 (CO3)3(s) + 6NaCl(aq) Please express your answer to the second decimal place. Type your answer.

A student reacts 832 mL of 5.43 M NazCO3 with excess AICI, in the lab, according to the balanced chemical equation below, and finds that she can produce 0.72 mole of Al2 (CO3)3. What is the percent yield for her experiment? 3NA2CO3(aq) + 2AIC13 (aq) → Al2 (CO3)3(s) + 6NaCl(aq) Please express your answer to the second decimal place. Type your answer.

General Chemistry - Standalone book (MindTap Course List)

11th Edition

ISBN:9781305580343

Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell

Publisher:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell

Chapter3: Calculations With Chemical Formulas And Equaitons

Section: Chapter Questions

Problem 3.128QP: Copper reacts with nitric acid according to the following reaction....

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Copper reacts with nitric acid according to the following reaction. 3Cu(s)+8HNO3(aq)3Cu(NO3)2(aq)+2NO(g)+4H2O(l) If 2.40 g of Cu is added to a container with 2.00 mL of concentrated nitric acid (70% by mass HNO3; density = 1.42 g/cm3), what mass of nitrogen monoxide gas will be produced?
An industrial-scale process for making acetylene consists of the following sequence of operations: CaCO3 → CaO + CO2limestone lime carbon dioxideCaO + 3 C → CaC2 + CO calcium carbide carbon monoxideCaC2 + 2 H2O → Ca(OH)2 + C2H2 calcium acetylene hydroxide What is the percentage yield of the overall process if 2.32 metric tons C2H2 is produced from 10.0 metric tons limestone (1 metric ton 5 1000 kg)?
You take 4 tablets of aspirin (a compound that contains carbon, hydrogen, and oxygen) and perform a combustion reaction by burning the 4 tablets in the presence of air, which produces 2.20 g CO2 and 0.400 g H2O. If each tablet weighs 5.51 x 10-4 lbs, and the molar mass is 180.1 g/mol, what is the molecular formula of aspirin?
The reaction of potassium permanganate (KMnO4, molar mass = 158.034 g/mol) with hydrochloric acid (HCl) can create chlorine gas (Cl2), as illustrated in the equation: 2KMnO4(s) + 16HCl(aq) ➜ 8H2O(l) + 2KCl(aq) + 2MnCl2(aq) + 5Cl2(g) If 4.16 g of KMnO4 is reacted with 30.0 mL of 12.01 M HCl at 35 °C and 1.03 atm, how many liters of Cl2 can be produced?
Emissions from the burning of fossil fuels are often reported as gigatons ( Gt ) of carbon. In a calendar year, China emitted 2.9 Gt of carbon while the Unites States released 1.5 Gt of carbon. To what mass in gigatons of CO2CO2 do these amounts of carbon correspond?
A side reaction in the manufacture of rayon from wood pulp is 3CS2+6NaOH→2Na2CS3+Na2CO3+3H2O How many grams of Na2CS3 are produced in the reaction of 92.5 mL of liquid CS2 (d = 1.26 g/mL) and 2.61 mol NaOH? Express your answer with the appropriate units.
Cryolite (Na3AlF6) is used in the commercial production of aluminum from ore. Cryolite itself is produced by the following reaction: 6 NaOH + Al2O3 + 12 HF → 2 Na3AlF6 + 9 H2O A mixture containing 420.0 kg of NaOH, 128.4 kg of Al2O3, and 600.0 kg of HF is heated to 950 °C until it reacts to completion. What is the maximum mass of Na3AlF6 formed? ________kg Na3AlF6
Potassium chromate, a bright yellow solid, is produced by the reaction of solid chromium ore (FeCr2O4) with solid potassium carbonate and gaseous oxygen at high temperatures. The other products of the reaction are solid iron (III) oxide and gaseous carbon dioxide. If you use 169.0g of chromium ore, 298.0g of potassium carbonate and 75.00g of oxygen in a sealed reaction vessel, what is the limiting reagent? Give the theoretical yield of potassium chromate, in grams, for each one.
One method used in the production of H2 gas is to put the coal into an incomplete combustion reaction with air and water vapor in the combustion chamber (water gas production). A simplified reaction can be written as:2C + 1 H2O + a (O2+3.76N2) = 1C0 + 1CO2 + 1H2 + 3.76·a·N2 Here, 02+3.76N2 represents the amount of air and is multiplied by the coefficient "a".a) The value of the coefficient "a" for this reaction b) The amount of air to be used for 1 kg of pure carbon (C) (total amount of 02 and N2) (kg-air/kg-carbon) Hint: Consider how many kilograms 1 kmol "C" weighs.
SO2 is a product of coal combustion. It may combine with O2 and H2O in the atmosphere to form sulfuric acid, a component of acid rain. One way to reduce the formation of acid rain involves trapping the SO2 by passing smokestack gases through a spray of calcium oxide and O2. The product of this reaction is calcium sulfate. a) Write a balanced chemical equation describing this reaction by writing the product and adding coefficients. __SO2+__CaO+__O2=__CaSO4 b) How many metric tons of calcium sulfate would be produced from each metric ton of SO2 that is trapped?
4. Imagine that you are given 0.2500 g of a sample of copper(II) sulfate pentahydrate (CuSO4 • 5 H2O). You very carefully heat the compound for an extended period of time to drive off water, after which you determine the mass of the remaining solid to be 0.1598 g. (i) Determine whether the data given confirm the formula of the hydrate. You must (ii) show any relevant calculations that support your answer.
. Gypsum has the formula CaSO4?2H2O. Plaster of Paris has the chemical formula CaSO4?12 H2O. In making wall plaster, water is added to plaster of Paris and the mixture then hardens into solid gypsum. How much water (in liters, at a density of 1.00 kg L-1 ) should be added to 25.0 kg of plaster of Paris to turn it into gypsum, assuming no loss from evaporation?

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