sophiecbamforth sophiecbamforth

09-02-2021
Chemistry

contestada

5
Use the equation Moles = Mass/Mołar Mass (Mr) to calculate the following: To make 3 moles of
Sodium (Na), how much mass do I need to weigh out?
A: 699g
B: 6.9g
C: 69g
D: 96g

Respuesta :

Kwabenakobby40 Kwabenakobby40

09-02-2021

Answer:

c

Explanation:

Molar mass of Na=23g/mol

amount of mole(n)=3

mass=?

therefore,n=m/M

3mol=m/23g/mol

m=23g/mol ×3mol

m=69g.

Answer Link

Otras preguntas

A rectangular prism with a square base is 6.4 meters tall. The prism has a volume of 409.6 cubic meters. What are the dimensions of the base of the prism?

2. In one sentence, explain the difference between an intentional and unintentional injury. Then list two examples of intentional injuries and two examples of u

how do ecosystems differ across the United states

Read these lines from "Of Cannibals" and answer the question. . . . clever people observe more things and more curiously, but they interpret them; and to lend

The 16 broad career options developed by the U.S. Department of Education are called: A. work-study programs. B. education careers. C. school-to-work

Someone smart please help me!!! In a game, one gains 5 points for every won round and loses 3 points otherwise. After 20 rounds, Mike had 68 points. How many r

The angle of incidence and the angle of re-fraction for light going from air into a mate-rial with a higher index of refraction are 56.6◦and 44.9◦, respectively

Prussian Prime Minister used power and practicality, a strategy known as , to achieve the unification of. He was known for provoking other countries intoin orde

Which formed first: hydrogen nuclei or hydrogen atoms?

Read the quotation. “We hold these truths to be self-evident: that men and women are created equal.” Which of the following best describes the origins of this

Q&A Platform for Education Platform Explore for Education