Compute the percentage of calcium in the limestone sample

Assignment Help Chemistry
Reference no: EM13678994

The calcium from 0.5456 g limestone sample dissolved in water was precipitated as calcium oxalate as well as ignited to calcium carbonate for weighing. The ignited precipitate weighed 0.2678g. Compute the percentage of calcium in the limestone sample.

Reference no: EM13678994

Questions Cloud

Biphenyl c12h10 is a nonvolatile nonionizing solute : Biphenyl C12H10 is a nonvolatile nonionizing solute that is soluble in benzene C6H6. At 25 °C the vapor pressure of pure benzene is 100.84 torr. Explain what is the vapor pressure of a solution made from dissolving 16.3 g of biphenyl in 32.4 g of ..
Find out that concentration and boiling point : Imagine two solutions with the same concentration as well as the same boiling point, however one has ethanol as the solvent and the other has carbon tetrachloride as the solvent. Find out that concentration and boiling point.
Define what is the vapor pressure of the solution at 20°c : A solution is made by mixing 45.0mL of ethanol, C2H6O, and 55.0mL of water. Presuming ideal behavior what is the vapor pressure of the solution at 20 °C
Define what is the molecular formula of the compound : The sodium hydroxide tube collects 5.429 grams of carbon dioxide. (a) Explain what is the weight of nitrogen contained in this 2.000 gram sample? (b) Explain if the molar mass is found to be in the range of 120~200 g/mol, define what is the molecu..
Compute the percentage of calcium in the limestone sample : The calcium from 0.5456 g limestone sample dissolved in water was precipitated as calcium oxalate as well as ignited to calcium carbonate for weighing. The ignited precipitate weighed 0.2678g. Compute the percentage of calcium in the limestone sam..
Define violent crime and property crime : Define violent crime and property crime.
Explain what is the percent yield of the reaction : Hydrogen gas a potential future fuel, can be formed by the reaction of methane with water as per to the balanced equation
Define what is the conversion of a presuming : define what is the conversion of A presuming that the feed rate of C is left unchanged? Presume ideal behavior and that the reactor temperature remains unchanged.
The concentrations of a and b in the feed to the reactors : The concentrations of A and B in the feed to the reactors are 1M and 51.2M respectively. Define what is the conversion for each reactor

Reviews

Write a Review

Chemistry Questions & Answers

  How many grams of cah2 are needed to generate hydrogen gas

Calcium hydride, CaH2, reacts with water to form hydrogen gas. CaH2(s) + 2 H2O(l) → Ca(OH)2(aq) + 2 H2(g)

  Suppose that after delivery several drops of the water

suppose that after delivery several drops of the water cling to the inner wall of the pipet because the pipet wall is

  Drawing as well naming structures iupac names

Drawing and naming structures; IUPAC names, Give the structure or structures and the IUPAC names of the alkenes formed from the dehydrohalogenation of the following compounds with a strong base

  If the height of the mercury column in the leveling bulb

if the height of the mercury column in the leveling bulb is 30 mm greater than that in the gas buret and atmospheric

  Explain molar heat capacity and molar internal energy

Next calculate molar internal energy and molar heat capacity assuming vibrational energy levels are not significantly populated at 298 K and do not contribute to molar heat capacity and molar internal energy. Calculate percent error for each molar..

  Explain what is the molar heat of solution for the salt

A 1.0g sample of an unknown salt (molar mass = 40 g/mol) is added to 75.0mL of water. The temperature of the water rises 32oC after the salt is added, what is the molar heat of solution for the salt

  Compute the grams of o2 gas

Calculate the grams of O2 gas that will have the same volume as 300.0 g of N2 gas at 10 degrees C and 5 atm

  In the determination of the quilibrium constant for the

1. in the determination of the quilibrium constant for the hydrolysis of 5.00ml of sbcl3 24ml of water was addedand

  Compute the molar enthalpy of evaporation of water

calculate the molar enthalpy of evaporation of water at 100 celcius?

  Explain the tetrahedral stereocenters

Can someone help me locate the tetrahedral stereocenters and how many sterioisomers are possible for the following structures please

  Explain the mass percent of the helium in a mixture

what is the mass percent of the helium in a mixture that has an equal number of He and CH4 molecules. 1.10%

  How to calculate the volume of pottasium hydroxide

How to calculate the volume of 1.5M aqueous pottasium hydroxide require to react completly with 2g of benzoic acid and extract the solution twice using the volume calculated?

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