why is the answer B? 2. What is the pH of 4.2x10-8 M HCl at 25°C?...
What is the pH of a 8.6 x 10-8 M solution of HCl(aq) at 25 °C? Report your answer to the hundredths place. pH = Assuming complete dissociation, what is the pH of a 3.98 mg/L Ba(OH), solution? pH = X10 Assuming equal concentrations, arrange these solutions by pH. Highest pH Lowest pH Answer Bank HCIO, (aq) Cabr,(aq) NaCN(aq) CH, NH, Br(aq) RbOH(aq)
What is the pH of a 1 x 10-8 M solution of HCl? 8 7.02 6.98 4 6.7
What is the pH of a 4.0 x 10-8 M solution of HCl(aq) at 25 °C? Report your answer to the hundredths place. 6.53 0 pH = Consider the reaction. CH,CH,0 + HCECH =HCEC:" + CH, CH,OH Classify each reactant and product as an acid or base according to the Brønsted theory. Acid Base CH,CH,0 HCEC" HCECH CH,CH, OH Answer Bank Each value represents a different aqueous solution at 25°C. Classify each solution as acidic, basic, or neutral. Acidic Basic...
d) 1.7 x 10-4M ) 1.4 x 10' M 8. Find the pH of a 3.02 M HCL solution. a) 7.1 x 10M b ) 1.6 x 10-2M c)-0.48 M
What is the pH of 8 x 10^-8 M HCl?
At
25 °C calculate the pH of a solution in which [OH^ - ]=7.1*10^ -3 M
Express your answer to two decimal places.
Part B At 25 °C calculate the pH of a solution in which [OH-] = 7.1 x 10-3 M. Express your answer to two decimal places. V ALQ R O ? pH = Submit Previous Answers Request Answer
1. Using a 0.20 M phosphate buffer with a pH of 6.7, you add 0.79 mL of 0.53 M HCl to 40. mL of the buffer. What is the new pH of the solution? (Enter your answer to three significant figures.) 2. Using a 0.20 M phosphate buffer with a pH of 6.7, you add 0.79 mL of 0.53 M NaOH to 40. mL of the buffer. What is the new pH of the solution? (Enter your answer to three...
What is the pH of a solution prepared by mixing 100. mL of 0.0500 M HCl with 300. mL of 0.500 M HF? [Ka(HF) = 7.1 10–4] Group of answer choices 1.63 2.82 2.01 0.81
Question 5 (2 points) Calculate the pH of a solution labelled 7.1 M HCl. Provide your answer to the correct number of decimal places. Your Answer: Answer
What is the pH of the solution from adding 25 mL of 0.33 M HCl to 25 mL of 0.58 M NH3? (Kb for NH3 is 1.8 x 10^-5)