hmaritza149 hmaritza149

18-03-2019
Chemistry

contestada

A 50.0-mL volume of 0.15 M HBr is titrated with 0.25 M KOH. Calculate the pH after the addition of 16.0 mL of KOH.

Respuesta :

yousifmona44 yousifmona44

18-03-2019

moles HBr = 0.0500 L x 0.15 M=0.0075

moles KOH = 0.0160 L x 0.25 M=0.0040

moles H+ in excess = 0.0075 - 0.0040= 0.0035

total volume = 0.070 L

[H+]= 0.0035/0.070=0.050 M

pH =1.55

Answer Link

Otras preguntas

Which sentence does not contain any punctuation errors? A. Abe has lived in London, England; Cairo, Egypt; and Zurich, Sw

Which would make an effective thesis for an essay on the cause of the French Revolution?a) Conflict between the people and the French monarchy sparked revolutio

A 3 by 4 rectangle is inscribed in circle. What is the circumference of the circle?

What are 3 expressed powers of congress

can anyone explain how to solve this 5(6-2)^2-5

The length of a rectangle is 5 greater than 3 times the width. The area of the rectangle is 22cm. Find the length and the width. (SHOW STEPS)

If x ¤ y = (x + y)² - (x - y)² Then √5 ¤ √5 =

true or false: the constitution outlines right if state governments true or false: the constitution had to be re written after the civil war to include emancipa

The add-ins are: 476, 832, 5769, 300, 892, the sun is?

Tabitha has 4 music files each with 9 songs in it. she is dividing the songs into 7 groups. if each of group will have the same number of songs how many songs w