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2. calculate the concentration of the following solution. 126.9 g of KOH dissolved in 263.6 mL...
10.0 g of the strong base, KOH, is dissolved in 2000 mL of solution. What is the pH of the solution? 13.0 13.7 14.0 13.3
An aqueous solution of 87 KOH is dissolved in 600 grams of solution. What is the concentration of the solution expressed as a percentage by mass. a. 11 g/ml b. 16% c. 13 g/ml d. 11%
1. what is the identity of the element with the following electron configuration and a (+1) charge? 1s2 2s2 2p6 3s2 3p6 2. calculate the concentration of the following solution. 126.9 g of KOH dissolved in 263.6 mL
Calculate the concentration in % (m/m) of a solution containing 35.0 g of Lif dissolved in 315.0 g of H20. 6.42% (m/m) O 10.0% (m/m) 11.1% (m/m) 5.69% (m/m) Question 17 2 pts For a solution composition of 10.0 mL solute in enough solvent to give 100.0 mL solution; choose the correct numerical concentration of % (v/v). 5.00 9.09 10.0 1.00
Assignment - Next week • What is the molar concentration (molarity) of KOH in 350 ml solution that contains 34 g of KOH? - 607 ) . 60°7. MOL 3910 +16 + 1.008 735L You have 1250 mL of a 0.4 M solution of KMnO4. How many grams of KMnO, are dissolved in the solution? 350 MY ME 1734.28 • You have a 0.8 M solution of AgNO3. There are 12 g of AgNO3 dissolved in the solution. What is...
6.2 g of K_3PO_4 are dissolved in 200 mL of solution. What is the concentration (in normality) of PO^3-4 ions in solution?
11.5 g of KOH (s) is dissolved up to 250.0 mL in water. What is the molarity of this solution? Molarity of first solution: Enter your answer here M KOH If we then add an additional 2.750 L of water to the solution what is the new molarity? Molarity of second solution: Enter your answer here M KOH For this second solution calculate the pH, pOH and [H3O+). pH = Enter your answer here pOH = Enter your answer here...
Calculate the concentration in M of a solution made up of 0.120 g oxalic acid dissolved in 40 ml of deionized water. With steps, please!
please also calculate pH, pOH, and [H3O+] 11.5 g of KOH (s) is dissolved up to 250.0 mL in water. What is the molarity of this solution? Molarity of first solution: Enter your answer here M KOH If we then add an additional 2.750 L of water to the solution what is the new molarity? Molarity of second solution: Enter your answer hace M KOH For this second solution calculate the pH, POH and [H3O+]
Calculate [OH−] for this strong base solution: 1.085 g of KOH in 410.0 mL of solution. Calculate [OH−] for this strong base solution: 14.0 mL of 1.50×10−2 M Ca(OH)2 diluted to 460.0 mL. Calculate [OH−] for the strong base solution formed by mixing 14.0 mL of 1.00×10−2 M Ba(OH)2 with 33.0 mL of 7.6×10−3 M NaOH.