1 What Is The Ph Of A 0 059 M Solution Of Hno3 Instructions Input Your Answer To Two 2 Decimal Places In Standard N 1 (160.68 KiB) Viewed 26 times
1. What is the pH of a 0.059 M solution of HNO3? INSTRUCTIONS: Input your answer to TWO (2) decimal places in standard notation (example: 1.23). DO NOT input units in the box. If you include units the response will be marked as INCORRECT. pH = Submit Answer Tries 0/3 2. What is the concentration of hydronium ions in mol/L of a solution of HCIO4 with a pOH of 13.38? INSTRUCTIONS: Input your answer to THREE (3) decimal places in standard notation (example: 1.234). DO NOT input units in the box. If you include units the response will be marked as INCORRECT. [H3O+]= mol/L Submit Answer Tries 0/3 3. Assuming the addition of solid does not change the volume of the water, what is the pH of a solution prepared by dissolving 7.44 g of Cs₂0 (mm= 281.819 g/mol) in 698.6 mL of water? INSTRUCTIONS: Input your answer to TWO (2) decimal places in standard notation (example: 1.23). DO NOT input units in the box. If you include units the response will be marked as INCORRECT. pH = Submit Answer Tries 0/3 4. What is the pH of a solution prepared by adding 96.9 mL of 0.36 M HBr to 271.2 mL of 0.43 M LIOH? INSTRUCTIONS: Input your answer to TWO (2) decimal places in standard notation (example: 1.23). DO NOT input units in the box. If you include units the response will be marked as INCORRECT. pH = Submit Answer Tries 0/3
5. A 25.00 mL sample of a monoprotic weak acid, HA, is being titrated with 0.1914 M NaOH. The student runs three titrations and finds the volume of base used to be 24.26 mL, 24.58 mL and 23.92 mL. Using the average of the titration volumes, determine the concentration of the acid solution in mol/L. INSTRUCTIONS: Input your answer to FOUR (4) decimal places in standard notation (example: 1.2345). DO NOT input units in the box. If you include units the response will be marked as INCORRECT. [HA]: mol/L Submit Answer Tries 0/3
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