Chemistry Practice Problems pH and pOH Practice Problems Solution: What is the concentration of hydroxide ions in pur...

🤓 Based on our data, we think this question is relevant for Professor Gary's class at HAWAII.

# Solution: What is the concentration of hydroxide ions in pure water at 30.0°C, if K w at this temperature is 1.47 × 10-14? A) 1.00 × 10-7 M B) 1.30 × 10-7 M C) 1.47 × 10-7 M D) 8.93 × 10-8 M E) 1.21 × 10-7 M

###### Problem

What is the concentration of hydroxide ions in pure water at 30.0°C, if K w at this temperature is 1.47 × 10-14?

A) 1.00 × 10-7 M

B) 1.30 × 10-7 M

C) 1.47 × 10-7 M

D) 8.93 × 10-8 M

E) 1.21 × 10-7 M

pH and pOH

pH and pOH

#### Q. Normal rainwater does not have a pH of 7.0. What is the reason?a) CaO combines with H2O to form an acidb) CO2 combines with H2O to form a hydroxidec) ...

Solved • Fri Aug 25 2017 14:03:03 GMT-0400 (EDT)

pH and pOH

#### Q. What is the hydronium ion concentration of an acid rain sample that has a pH of 3.45? A) 2.82 × 10-11 M B) 3.55 × 10-4 M C) 3.45 M D) 10.55 M

Solved • Fri Jun 16 2017 11:49:01 GMT-0400 (EDT)

pH and pOH

#### Q. Calculate the hydroxide ion concentration in an aqueous solution with a pH of 9.85 at 25°C. A) 7.1 × 10-5 M B) 4.2 × 10-10 M C) 8.7 × 10-10 M D) 6...

Solved • Fri Jun 16 2017 11:19:28 GMT-0400 (EDT)

pH and pOH

#### Q. A beaker contains a solution with [H3O+] = 2.59 x 10 -2 M at 25°C. Which of the following statement(s) is/are correct about this solution?i. The [OH-]...

Solved • Fri Apr 28 2017 14:18:49 GMT-0400 (EDT)