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Talk (References) Calculate the sodium ion concentration when 50.0 mL of 3.5 M sodium carbonate is...
[References) Calculate the sodium ion concentration when 50.0 mL of 3.5 M sodium carbonate is added to 40.0 mL of 2.0 M sodium bicarbonate. Assume that the volumes are additive. Concentration - M Submit Answer Try Another Version 6 item attempts remaining pl pl 1 pt
References A 2.00 g sample of KCI is dissolved in 65.0 mL. of water. The resulting solution is then added to 15.0 mL. of a 0.430 M CaCl, (aq) solution. Assuming that the volumes are additive, calculate the concentrations of each ion present in the final solution. Concentration of K ions M Concentration of Ca ions Concentration of CI ions M Submit Answer Try Another Version 6 item attempts remaining
When 25.0 mL of a 9.12x10-4 M lead acetate solution is combined with 25.0 mL of a 4.91x10-4M potassium fluoride solution does a precipitate form? (yes or no) For these conditions the Reaction Quotient, Q, is equal to Submit Answer Try Another Version 3 item attempts remaining A solution contains 6.20x10-M magnesium nitrate and 7.05x10M nickel(II) acetate. Solid potassium carbonate is added slowly to this mixture. What is the concentration of nickel ion when magnesium ion begins to precipitate? [Ni2+]...
Calculate the sodium ion (Na^+) concentration when 30.0 mL of 0.25 sodium carbonate, Na_2 CO_3, solution is added to 50.0 mL of 0.030 M sodium chloride, NaCl, solution. a. 0.103 M b. 0.206 M c. 0.1 13 M d. 0.225 M e. None of the above
References) A355-ml sample of 0.284 M MgBr, solution is prepared in a large flask. A 67.0-ml. portion of the solution is then placed into an empty 100.0-ml. beaker. What is the concentration of the solution in the beaker? Concentration - Submit Answer Try Another Version 5 item attempts remaining Previous Next Email Instructor Save a
The molar solubility of nickel(II) carbonate in a 0.170 M sodium carbonate solution is M. Submit Answer Try Another Version 3 item attempts remaining
[References) Use the References to access important values if needed for this question. The hydroxide ion concentration in an aqueous solution at 25°C is 2.1x10-2 M. The hydronium ion concentration is M. The pH of this solution is The pOH is Submit Answer Try Another Version 2 item attempts remaining W at of
Calculate the hydronium ion concentration and the pH when 15.0 ml. of 0.10 M NH, is mixed with 15.0 ml. of 0.10 M HCI (K = 5.6 x 10""). Concentration - pH- Sui An Try Another Version 9 ltem attempts remaining
1) Solid silver nitrite is slowly added to 50.0 mL of a 0.108 M potassium phosphate solution until the concentration of silver ion is 0.0454 M. The percent of phosphate ion remaining in solution is ____%. 2) Use the References to access important values if needed for this question. Solid ammonium carbonate is slowly added to 75.0 mL of a 0.270 M barium nitrate solution until the concentration of carbonate ion is 0.0662 M. The percent of barium ion remaining...
Use the References to access important values if needed for this questio What concentration of sodium hydroxide is needed to give an aqueous solution with a pH of 11.630? Molarity of sodium hydroxide Submit Answer Try Another Version 8 item attempts remaining 1 pt 1 pt FS FS 2 4