What is the pH of each of the following aqueous solutions? (a) 0.036 M HCl WebAssign will check your answer for the correct number of significant figures. 1.44 Correct: Your answer is correct. (b) 0.17 M KOH WebAssign will check your answer for the correct number of significant figures. 13.23 Correct: Your answer is correct. (c) 0.19 M Ba(OH)2

Explanation:

(a) 0.036 M HCl

[HCl] =  0.036 M

As HCl is a strong acid, it will completely dissociate and produce H+ ions.

[ H+] =  M

pH = −log [ H+]

pH = −log[0.036]

pH = −(−1.444)

pH = 1.44

(b) 0.17 M KOH

pH + pOH = 14

pH = −log10[H+], and pOH = 14−pH

pH = 14 − pOH

pH = 14 − (−log10(0.17))

pH = 14 − (0.77) = 13.23

(c) 0.19 M Ba(OH)2

[H+] [OH−] = 1.0×10−14M

[OH−] = 2 * 0.19 = 0.38M

[H+] = 2.63 ×10−14M

pH = −log10([H+])

pH = −log10(2.63 ×10−14) = 13.58.

it's c. elements are placed in rows based on how may valencies electrons have.

hurricanes form when warm, moist air from the ocean surface quickly rises into the atmosphere and forms storm clouds and rain. when the clouds are formed, heat is released which warms the cool air in the upper regions of the atmosphere so that the cycle can continue. which two phases of the water cycle are repeated in this process?