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

Which best describes the term diction? a)a word or phrase that logically connects sentences or paragraphs b)an author’s choice of words c)use of language allowi

simplify the following expression. 6.72 + 0.088

The introduction to an essay should not only engage the reader's attention, but also A. state your conclusions about the topic. B. present your thesis st

Earl needs to fill juice cups for his little brother's birthday party. There are 25 juice cups and each juice cup holds 12 fluid ounces. The juice comes in 1-ga

the part of the camera that shows the area of subject to be included in a photograph is called the

The vertex of this parabola is at (3, 5). When the y-value is 6, the x-value is -1. What is the coefficient of the squared term in the parabola's equation? A. -

Salvador is 66 inches tall and weighs 200 pounds. Which diet would be best for Salvador to ensure he's at a healthy weight?

¿Qué es el post-vanguardismo? ¿Cuándo nació? ¿Dónde? ¿Características y autores de la época?

Is one side of a rectangular fish tank best represented by a point, line, plane, or ray?

How does Pericles describe Athenian democracy?