# Chemistry!

determine the new molarity of calcium ions when 50.0 mL of a 1.50 M calcium chloride solution are combined with 750.0 mL of a 0.236 M calcium phosphate solution.

1. 👍 0
2. 👎 0
3. 👁 160
1. moles CaCl2 = M x L = ??
moles Ca^+2 = same

moles Ca3(PO4)2 = M x L = ??
moles Ca^+2 = 3x that.

M = total moles/total volume.

1. 👍 0
2. 👎 0

## Similar Questions

1. ### physics

The diffusion coefficient for calcium ions crossing a biological membrane 10nm thick is 300 micrometers squared/second and the concentration difference of calcium ions across the membrane is 400 mol/m^2 (Molar mass of calcium is

asked by Kelly on March 27, 2010
2. ### AP Chem

An aqueous solution contains 4.50 g of calcium chloride, CaCl2, per liter. What is the molarity of CaCl2? When calcium chloride dissolves in water, the calcium ions, Ca^+2, and chloride ions, Cl^-, in the crystal go into the

asked by Anna on November 3, 2008
3. ### chemistry titration (check my thought process)

can someone check my answers here for my lab... so i have 3.234*10-4 moles of ca2+ and mg2+ ions and used 0.02450L of edta so my molarity of both ions is 0.01320 M. and now we had to find calcium, i used 0.01655 L of edta, can i

asked by Anonymous on January 30, 2016
4. ### Chemistry

You dissolve 5 g of calcium hydroxide in 2 liters of water. What is the molarity of the hydroxide ions in this solution? What is the molarity of the calcium ions in this solution?

asked by Amanda on February 12, 2012
5. ### Ap chem

If 200 ml of .300 molarity of silver nitrate are mixed with 350 ml of .500 molarity calcium chloride ions how many grams of percipitate are formed? How many moles of each ions are present?

asked by Eman on November 6, 2012
6. ### Chemistry

Which argument supports the claim that dissolving solid calcium chloride (CaCl2) in water is a chemical change? A. The ionic bond between the calcium ions and chloride ions is broken. B. The solid calcium chloride can be recovered

asked by Cortney on March 19, 2015
7. ### chemistry

Water softeners often replace calcium ions in hard water with sodium ions. Since sodium compounds are soluble, the presence of sodium ions in water does not cause the white, scaly residues caused by calcium ions. However, calcium

asked by M on January 25, 2010
8. ### Chemistry

In a discussion,a study argued that calcium ions when asded to toothpaste would enhance the performance of the toothpaste by further strengthening teeth. Therefore, he suggested the addition of calcium hydrogen carbonate,

asked by Shariah on January 26, 2017
9. ### Chemistry

Calcium chloride contains calcium and chloride ions. Write the ground-state electron configuration for the calcium ion.

asked by Naomi on March 20, 2018
10. ### Chemistry

50.00 mL of OOH was diluted to 250.0 mL with deionized water. In the determination of the total cation concentration, 25.00 mL aliquots of the dilute OOH were passed through a cation exchange column and the eluent titrated with an

asked by Camice on January 25, 2012

More Similar Questions