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

Solve for w. 0.05w = 15

Why does Ludar begin by defining the word inauspicious I nnedd help right now

A wave with high amplitude _____. A.moves faster than a wave with low amplitude B.has more energy than a wave with low amplitude C.has a short wavelength D.has

Please help for 7c please...

comment if you know the answer please

the document that brought peace following world 1 was the:

Which of the following is NOT true about inserting and formatting graphics?

Simplify 5 2 thirds

How did industry bring an end to isolation? It required more immigrants to work It led to the need for more resources It had to have a larger market It used mor

how many square feet of paper are needed to cover a bulletin board that is 3 feet tall and 6 feet wide