A solution of 50.0 mL of 0.045 M Ca(NO,), is prepared. What volume (in mL) of...
4- (a) Calculate the concentration of Cd2+ ion in a solution prepared by mixing 2.0 mL of 1 M CA(NO3)2 solution with 1.0 L of 4.0 M NH3 solution. [Assume that the volume does not change after the addition of 2.0 ml of 1 M Cd(NO3)2] (b) Will you be able to see Ca(OH)2(6) precipitate in the solution? (Kr for Ca(NH3)42+ = 1.0 x 107, Kb for NH3 = 1.8 x 10-5; Ksp for Ca(OH)2 = 5.9 x 10-15 Cd2+...
Q2. A. Calculate the volume in ml of a 1.72 M Ca(OH), solution required to react with a 250 ml of a 1.8 M H3PO4 solution in anacid-base reaction. (use short-cut technique without balancing) H3PO4(aq) + Ca(OH)2(aq)Ca3(PO.). (aet) + H20 unbalanced B.Calculate the volume of solution required to prepare 2.0 MCa3(PO4)2 by dissolving 62 grams Ca3(PO4)2 in water. Ca=40 0=16 P=31 C. In dilution, what volume of 4.0 M HNO3 (aq) stock (initial) solution is required to prepare a 3.0...
Q1.18] Indicate the direction, left or right, of the equililbrium shift when the accompany applied to the system: a) HCI(aq) is added to Agco, (s)2Ag (aq)Co, (a) b) NaoH solution is added to HCOOH(ag)+ HHO (aq) +HCO, (a) Q2. [5] A state of dynamic equilibrium exists in solution of the following reaction a) What happens if AgNO, (aq) is added to the system(which way the reaction shifts)? Explain. Q3. [12] A saturated solution of calcium hydroxide, Ca(OH)2 is prepared and...
6. A 50.0 mL sample of 0.528 M NHaNO, is diluted with water to a total volume of 250.0 mL What is the ammonium nitrate concentration in the resulting solution? 7. 75.0 ml. of a 0.250M NaCI solution is added to 35.8 ml. of 0.1150M NaCOs. What is the concentration of sodium ion in the final solution? 8, 34.62 mL. of 0.1510 M NaOH was needed to neutralize 50.0 mL of an H2SO4 solution. What is the concentration of the...
(III) When 50.0 mL of a 0.3000 M AgNO, solution is added to 50.0 mL of a 0.2000 M solution of MgCl, an AgCl precipitate forms immediately. The precipitate is then filtered from the solution, dried, and weighed. If the recovered AgCl is found to have a mass of 1.7825 g, what is the percentage yield of the product, 1) Write the balanced equation for the reaction. 2) Calculate number of moles of each reactant and determine which one is...
7. How many liters of 0.775 M solution can be prepared from 55.0 g of ammonium iodide? Calculate the volume, in milliliters, of 0.468 M sodium sulfate solution to provide 2.50 g of sodium sulfate. 8. 9. How many milliliters of water should be added to 30.0 mL of a 4.00M solution to obtain a solution with a concentration of 0.200 M. 10. How many grams of AgPO4 can be produced from the reaction of 2.50 L of 0.200M AgNO,...
Question 33 3 pts Will a precipitate form when 100.0 mL of 0.0010 M calcium nitrate, Ca(NO3)2 is added to 100.0 mL of 0.00050 M sodium hydroxide, NaOH? yes, a precipitate of sodium nitrate will form O yes, a precipitate of Ca(OH)2 will form O no a preciptate will not form
Molar Solubility and Solubility Product of Calcium Hydroxide Volume of saturated Ca(OH)2 solution (mL) 25.00 Molar concentration of standard HCI solution (mol/L.) 0.0480 Buret reading, initial (mL) 1.70 Buret reading, final (mL) 13.90 Volume of HCI added (mL) Moles of HCI added (mol) Show calculation Moles of OH^- in saturated solution (mol) Show calculation [OH^-), equilibrium (mol/L) Show calculation. [Ca^2+], equilibrium (mol/L) Show calculation. Molar solubility of Ca(OH)2 (mol/L) Show calculation. Ks rho of Ca(OH)2 Show calculation. For Trials 2...
1. When 25.0 mL of a 2.11×10-4 M magnesium bromide solution is combined with 15.0 mL of a 9.37×10-4 M ammonium fluoride solution does a precipitate form? (yes or no) For these conditions the Reaction Quotient, Q, is equal to . 2. Solid potassium hydroxide is slowly added to 175 mL of a 0.0511 M calcium acetatesolution. The concentration of hydroxide ion required to just initiate precipitation is M. 3. Solid aluminum nitrate is slowly added to 50.0 mL of a 0.0350...
How many moles of precipitate will be formed when 50.0 mL of 0.300 M AgNO₃ is reacted with excess CaI₂ in the following chemical reaction? 2 AgNO₃ (aq) + CaI₂ (aq) → 2 AgI (s) + Ca(NO₃)₂ (aq)