neher2128 neher2128

04-04-2016
Chemistry

contestada

What is the mass of 2.90 ×1022 molecules of NaOH (Molar mass = 40.0 g/mol)?

Respuesta :

Willchemistry Willchemistry

04-04-2016

40.0 g ( 1 mole ) --------------- 6.02x10²³ molecules
? ? --------------------------- 2.90x10²² molecules

mass = 2.90x10²² * 40.0 / 6.02x10²³

mass = 1.16x10²⁴ / 6.02x10²³

mass = 1.9269 g

hope this helps!

Answer Link

Otras preguntas

Suppose Johnny invests $2,745 into an account, which has been earning interest for many years and he now has a total of $39,974. In two or more sentences explai

Number between 1 and 20 that has 5 factors

PLEASE ANSWER ⬇At the end of the French and indian War, the french had more land in the colonies than the British A.) true B.) false

Which of the following best describes the rising action of a plot? where the main problem or conflict is identified where the main action takes place and proble

what is 52+2x x=5 a.prime number b.composite number c.whole number

What does a Niche and a Habitat have in common?

how did international competition and nationalism increase tensions in Europe?

Our repeated Petitions have been answered only by by repeated injury means what?

How to convert 2/3 to a decimal?

please help 10 points