Calculate the new molarity of a 20.0 mL sample of 0.550 M CaCl2 solution that is diluted with water to make 250 mL of solution.

1 answer

anyone?

Similar Questions

Can someone please check to see if I am doing this correctly. Thank you :)Q) Calculate the new molarity of a 35mL sample of

Top answer: To calculate the new molarity of a solution after dilution, you can use the formula: M1V1 = M2V2 Read more.
Consider the dissolution of CaCl2:CaCl2(s) -----------> Ca2+(aq) + 2Cl-(aq) ΔH=-81.5 kJ/mol An 11.0 gram sample of CaCl2 is

Top answer: First, we need to find the moles of CaCl2 in the 11.0 gram sample: moles = mass / molar mass The Read more.
If 2.1 moles of CaCl2 are dissolved in enough water to make a 0.92-liter solution, what is the resulting molarity?0.44 M CaCl2

Top answer: The definition is M = moles/L. Punch into the calculator and go. Remember to round to two Read more.
Consider the dissolution of CaCl2.CaCl2(s) Ca2+(aq) + 2 Cl-(aq) ΔH = -81.5 kJ A 13.0 g sample of CaCl2 is dissolved in 134 g of

Top answer: q = mass H2O x specific heat H2O x (Tfinal-Tinitial) I assume that is 81.5 kJ/mol. If so then we Read more.
Consider the dissolution of CaCl2.CaCl2(s) Ca2+(aq) + 2 Cl-(aq) ÄH = -81.5 kJ A 12.4 g sample of CaCl2 is dissolved in 100. g

Top answer: See this post. http://www.jiskha.com/display.cgi?id=1321212027 Read more.
Consider the dissolution of CaCl2.CaCl2(s) Ca2+(aq) + 2 Cl-(aq) ÄH = -81.5 kJ A 10.4-g sample of CaCl2 is dissolved in 102 g of

Top answer: Well, it looks like we have CaCl2, the infamous calcium chloride, deciding to dissolve and cause Read more.
If 17.0 mL of 0.590 M CaCl2 are mixed with 46.6 mL of 0.480 M CaCl2, calculate the molarity of each ion in the final solution?

Top answer: moles soln 1 = M x L = ?? moles soln 2 = M x L = ?? M CaCl2 = total moles/total L. M Ca^+2 = M CaCl2 Read more.
Urgent... Someone please help!!Can someone please check to see if I am doing these correctly, I have a test tomorrow... Thank

Top answer: For the first question: To calculate the new molarity of a solution, you can use the equation M1V1 = Read more.
Q) Calculate the new molarity of a 35mL sample of 0.450 M CaCl2 solution that is diluted with enough water to make 250 mL of

Top answer: Yes, you have set up the equation correctly using the dilution formula M1V1 = M2V2. To solve for M2, Read more.
You have been given a sample of unknown molarity. Calculate the molarity of a solution which has been prepared by dissolving

Top answer: 1. To calculate the molarity of the sodium chloride solution, you divide the number of moles of Read more.