Explain chemical for removing calcium ions from water

Assignment Help Chemistry
Reference no: EM13280585

Which of the following is the better chemical for removing calcium ions from water. Make sure you show the calculations necessary to justify your answer. Ignore calcium complexes. a) NaOH b) K2CO3 c) K2SO4 d) KF

Reference no: EM13280585

Questions Cloud

What is concentration in moles per liter must the hydroxide : A metal-plating waste contains 20mg/L Cu2+, and it is desired to add Ca(OH)2 to precipitate all but 0.5mg/L of the copper. To what concentration in moles per liter must the hydroxide concentration be raised to accomplish this? Ans: 1.6*10^-7 mol/L
Calculate christies cash conversion cycle : Suppose Christie's managers believe that the inventory turnover can be raised to 9.0 times. What would Christie's cash conversion cycle, total assets turnover, and ROA have been if the inventory turnover had been 9.0 for 2011? Show all calculation..
What is the diameter of the piston : A 70.0 kg person balances a 1250 kg elephant which is standing on a circular lift of diameter 2.00 m. What is the diameter of the piston
How the maxwell-boltzmann approximation accurate : The Maxwell-Boltzmann distribution is often used to approximate the Fermi- Dirac distribution function. For what range of (E-Ef)/kT is the Maxwell-Boltzmann approximation accurate to within 10%
Explain chemical for removing calcium ions from water : the following is the better chemical for removing calcium ions from water. Make sure you show the calculations necessary
Promote pneumococcal vaccination : Based on promising results from laboratory studies, we hypothesized that pneumococcal vaccination would protect patients from myocardial infarction.
Find the duration of the plan obligations : A pension plan is obligated to make disbursements of $2.6 million, $3.6 million, and $2.6 million at the end of each of the next three years, respectively. Find the duration of the plan's obligations if the interest rate is 7% annually.
Determine the acceleration of the crate : a worker drags a 310 kg crate at a constant velocity of 3 m/s, across a factory floor by pulling on a rope tied to the crate. What is the acceleration of the crate
Calculate zin and v at the sending end and receiving end : A 60O lossless line is connected to a source with Vg=10

Reviews

Write a Review

Chemistry Questions & Answers

  What is the final pressure in the flask

In a 1.00 L flask, 3.40 atm of CO reacts with 2.60 atm of O2. Assuming that the temperature remains constant, what is the final pressure in the flask.

  State the reaction of ethyl propionate with sodium ethoxide

give full mechanism: show the reaction of ethyl propionate with sodium ethoxide followed by cold aqueous acid work up

  Determine the normal boiling point of a substance

Determine the normal boiling point of a substance whose vapor pressure is 55.1 mm Hg at 35°C and has a Hvap of 32 .1 kJ/mol.

  How much heat is evolved

How much heat is evolved when 233 g of ammonia gas condenses to a liquid at its boiling point?

  Define acid-catalyzed condensation of a molecule

With acid-catalyzed condensation of a molecule with two aldehyde groups that is suitable for forming 5- or 6-membered rings, are both carbonyls protonated right away at the same time

  Compute the final volume and temperature

a sample of 1.0 mole of a perfect gas with cp= 20.8 JK -1 is initially at 3.25 atm and 310 k. It undergoes reversible adiabatic expansion until its pressure reaches 2.50 atm. calculate the final volume and temperature and the work done

  An addition to an alkene initiated by a nucleophilic attack

An electrophilic addition is? Answer . a) An addition to an alkene initiated by a nucleophilic attack. b) An addition to an alkene initiated by an electrophilic attack

  Define hz is a weak acid

HZ is a weak acid. An aqueous solution of HZ is prepared by dissolving 0.020 mol of HZ in sufficient water to yield 1.00 L of solution

  Explain what is the mole fraction of naphthalene

At 40°C, the vapor pressure of heptane is 92 torr. If a solution is made of naphthalene in heptane and has a vapor pressure of 82 torr, what is the mole fraction of naphthalene? Assume ideal solution behavior.

  Explain the strongest solute-solvent interaction

Classify the substances according to the strongest solute-solvent interaction that will occur between the given substances and water during dissolution.

  What is the ph of baking soda

Cabbage water will spoil after a few days. How might you make a cabbage indicator with a longer shelf life? According to your cabbage water, what is the pH of baking soda, crushed aspirin, cleanser, garden lime, sugar and lemon juice?

  What is the ph at the point during a titration

What is the pH at the point during a titration when 22 mL of 0.200 M HCl has been added to 33 mL of 0.0500 M NH3 solution? HCl is strong acid, Kb = 1.8 × 10-5 for NH3. Answer in units of pH

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