Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Chemistry Expert

Find the amount of known substance present in the mixture.

A mixture of calcium carbonate and calcium oxide that weighed 1.720g was heated until all the calcium carbonate was decomposed to calcium oxide .after heating the sample weighed 1.533g. Compute the mass of calcium carbonate present in original mixture.

Chemistry, Academics

  • Category:- Chemistry
  • Reference No.:- M919252

Have any Question? 


Related Questions in Chemistry

Write the balanced equation then outline the steps

Write the balanced equation, then outline the steps necessary to determine the information requested in each of the following a) the number of moles and the mass of Mg required to react with 5.00 g of HCl and produce MgC ...

The elements of 3d transition series are given assc ti v cr

the elements of 3d transition series are given as:sc, ti, v, cr, Mn, fe, Coanswer the following: (a) write the element which shows max. no. of oxidation states.why? (b)which element has highest M.P (c) which elements is ...

Calculate the increase in the boiling point deltat for a

Calculate the increase in the boiling point, ΔT, for a 1.87 m solution of sucrose (dissolves as a molecule) in water.

Titanium reacts with hydrogen peroxide in 100 m sulfuric

Titanium reacts with hydrogen peroxide in 1.00 M sulfuric acid to form a colored complex. If a 2.00x10^-5 M solution absorbs 31.5% of the radiation at 415 nm, what would be: the absorbable, the transmittance, and the per ...

A 010 m fes04 aq solution is electrolyzed between a

A 0.10 M FeS04 (aq) solution is electrolyzed between a magnesium cathode and a platinum anode with a current density of 1.50 mA cm-2.The hydrogen over potential is 0.60 V. What will be the concentration of Fe2+ions when ...

Pyridine c5h5n is a weak base pkb 874 with an unpleasant

Pyridine (C5H5N) is a weak base (pkb = 8.74) with an unpleasant, sweet fishy odour. In a titration, 175.0mL of pyridine solution required 13.6 mL of 0.3250M HCl to reach the equivalence point. a) Calculate the pH of the ...

Using the following data calculate the pressure of 100mol

Using the following data, calculate the pressure of 1.00mol of Ar(g) in a 40.0L container at 25 degrees Celcius using both the ideal gas equation and the real gas equation. Why are these two values so different? (aAr=136 ...

1 what is the purpose of making derivatives of unknowns2

1.) What is the purpose of making derivatives of unknowns? 2.) Give three reasons why acetone might interfere with your results. 3.) An unknown sample does not react with 2,4-dinitrophenylhydrazine reagent, but a color c ...

Hello need help with the following chem Hello, need help with the following chem

Hello, need help with the following chem questions.  Aluminum reacts with chlorine gas to form aluminum chloride via the following reaction:  2Al(s)+3Cl2(g)→2AlCl3(s) You are given 24.0 g of aluminum and 29.0 g of chlori ...

1if you wish a buffer to have a ph of 1000 what is the

1. If you wish a buffer to have a pH of 10.00, what is the desired [H 3 O + ]? 2. In the buffer from 6, you want to select a weak acid (one of the conjugate pair) with a Ka close to that value of [H 3 O + ]. Explain why, ...

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

WalMart Identification of theory and critical discussion

Drawing on the prescribed text and/or relevant academic literature, produce a paper which discusses the nature of group

Section onea in an atwood machine suppose two objects of

SECTION ONE (a) In an Atwood Machine, suppose two objects of unequal mass are hung vertically over a frictionless

Part 1you work in hr for a company that operates a factory

Part 1: You work in HR for a company that operates a factory manufacturing fiberglass. There are several hundred empl

Details on advanced accounting paperthis paper is intended

DETAILS ON ADVANCED ACCOUNTING PAPER This paper is intended for students to apply the theoretical knowledge around ac

Create a provider database and related reports and queries

Create a provider database and related reports and queries to capture contact information for potential PC component pro