Compute the percentage of aluminum in the sample

Assignment Help Chemistry
Reference no: EM13230660

8102 g sample of impure Al2(CO3)3 decomposes with HCl; the liberated CO2 was collected on calcium oxide and found to weigh .0515g. Calculate the percentage of aluminum in the sample

Reference no: EM13230660

Questions Cloud

Explain the effects of change : Explain the effects of change on the planned project, including additional work and activities and those that have changed or no longer required and the associated changes to budget, risks etc.
Explain the genotypes and phenotypes : In snapdragons, red flower color (R) is incompleletely dominant over white flower color (r), Give the genotypes and phenotypes of the F1 and F2, alongwith their expected proportions
Develop a logical work breakdown structure : Develop a logical work breakdown structure (WBS) showing the items of work necessary to accomplish this project. You will need to create some summary tasks to define a structure for your project work in addition to describing the work activities t..
Find the solution for the given initail value problem : find the solution for the given initail value problem y'' + 2y'+5y=4e^-t cos2t, y(0)=1, y'(0)=0:
Compute the percentage of aluminum in the sample : the liberated CO2 was collected on calcium oxide and found to weigh .0515g. Calculate the percentage of aluminum in the sample
Discribe the acetic acid and ethanol : Acetic acid and ethanol enter cells by passive diffusion. Both compose of 2 carbons, hydrogen and oxygen, at pH 7 one is more membrane permeable than the other
Marketing decision makers in a firm : Marketing decision makers in a firm must constantly monitor competitors' activities - their products, prices, distribution, and promotional effort.
Efficiency challenges at the cafe and harm the business : From the scenarios, Chris and Erica are faced with efficiency challenges at the café. Explain how these challenges could potentially harm the business, and suggest a brief plan to improve on efficiency and customer satisfaction.
Create a japplet that contains a jlabel and jbutton. : Create a JApplet that contains a JLabel and JButton. You'll create a JButton that will automatically change font typeface, style, and size when clicked by the user. Change the font typeface, style, and size on the JLabel.

Reviews

Write a Review

Chemistry Questions & Answers

  Define the cpm of the vapor and liquid phases

Benzene (l) has a vapor pressure of 0.1269 bar at 298.15 K and an enthalpy of vaporization of 30.72kJmol^-1. The Cpm of the vapor and liquid phases at that temperature are 82.4 and 136.0 J K^-1 mol^-1, respectively. Calculate the vapor pressure of..

  Calculate k

Consider the equation A(aq) + 2B(aq) 3C(aq) + 2D(aq). In one experiment, 45.0 mL of 0.050 M A is mixed with 25.0 mL 0.100 M B. At equilibrium the concentration of C is 0.0410 M. Calculate K.

  Define what relative masses of dimethyl amine

what relative masses of dimethyl amine and dimethyl ammonium chloride do you need to prepare a buffer solution

  Explain the reactant concentration in a zero-order reaction

If you know the answer please give units :) Part A: The reactant concentration in a zero-order reaction was 5.00×10^?2M after 140s and 3.00×10^?2M after 300s. What is the rate constant for this reaction? -> For this I got that 1.25x10^-4M/s, whic..

  Define metal from the left side of the periodic table reacts

Explain why ionic components are formed when a metal from the left side of the periodic table reacts with a non-metal from the right side. give two examples of each

  Explain volume change after nano3 is dissolved

A buffer is prepared by dissolving .0250 mol of sodium nitrite in 500 ml of 0.0329 M nitrous acid. Assume no volume change after NaNO3 is dissolved. calculate the pH of this buffer.

  State and draw a titration curve for peptides

Draw a titration curve for both of these peptides. Be sure to label the axes properly, indicate the pKa values, the equivalence points and the buffering regions.

  Calculate the theoretical yield of iron

Calculate the theoretical yield of iron in the reaction of 254 g of iron (III) oxide with 25.0 g of carbon, according to the equation 2Fe2O3(s) + 3C(s)> 4Fe(s) +3CO2(g)

  The preparation of the esters given in reaction

the preparation of the esters given in this reaction, the reaction product is extracted with 5% sodium bicarbonate solution (NaHCO3) in the isolation step

  What is the pressure exerted onto the closed end

what is the pressure exerted onto the closed end of an apparatus if the atmospheric pressure is 720 torr and the height of the water is 22.3 cm.

  Explain glycine hydrochloride

What volume (in milliliters) of 0.190 M NaOH should be added to a 0.135 L solution of 0.022 M glycine hydrochloride

  Determine the molarity of the final kbr solution

Assuming that the solution volume remains constant at 125mL. find the molarity of the final KBr solution?

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd