MoonGirl6527 MoonGirl6527

03-07-2018
Chemistry

contestada

What is the molarity of a 2.0 L sodium hydroxide solution containing 10.0 grams of solute?
a.0.80B.0.13C.5.0D.0.25

Respuesta :

Willchemistry Willchemistry

03-07-2018

molar mass NaOH = 39.997 g/mol

number of moles:

n = mass of solute / molar mass

n = 10.0 / 39.997

n = 0.2500 moles

Therefore:

Molarity = moles of solute / volume ( L )

M = 0.2500 / 2.0

M = 0.13 mol/L

Answer B

Answer Link

Otras preguntas

Read the sentence below: Macy had come down with some unknown ague that seemed to linger for weeks. Which resource would most likely help you figure out the mea

1. Which of the following lists structures from smallest to largest? a.) chromosome, supercoil, coil, nucleosome, double helix b.) chromosome, coil, double h

Solve the Brain Teaser 6 + 4 = 210 9 + 2 = 711 5 + 3 = 208

father cn go in 8 1/2 an hour.if he travel an average speed of 15 kilometer an hour?

How can scientists test their ideas about the origin of the universe if they can't physically interact with or study it

what resoon was given for U.S invasion of Iraq in 2003

Which events occurred in Europe during the Cold War?

Using complete sentences, compare the key features and graphs of sine and cosine. What are their similarities and differences?. . Using these similarities and

How did organic compounds get their name? Explain how the word is related to its meaning.

A Cessna aircraft has a liftoff speed of 120 km/h . (a) What minimum constant acceleration does the aircraft require if it is to be airborne after a takeoff