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 best tells about the structure of a poem

Estimate than find the product 503x7

Put amorphous in a sentence?

help!!!!!!!!!!!!!!!!!

Which answers are examples of deductive reasoning? Select each correct answer. A. Jonathan leaves for school at 7:30 a.m. and is on time. Jonathan will alwa

Darwin discovered that the same species of organisms had different traits from one island to the next. According to Darwin, this happened because the organism h

kelly has 4times as many songs on her music playlist as lou . tiffany has 6 times s many songs on her playlist as lou . altogether, they have 682 songs on their

drove 250 miles using 9 gallons of gas. at this rate, how many gallons of gas would she need to drive 275 miles?

What's the difference between 4 and 0.87

Which statement describes Victorian gender expectations for women best?