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

[H3O+] = 2.9 x 10-10 M ph level

Why can't fossils form in igneous rocks Magma flows too quickly for it to settle in The extreme heat destroys all of the remains

A rectangle has an area of 4(x + 3) square units. x + 3= width, 4=length Use the distributive property to write an equivalent expression for the rectangle's are

list four types of;nails,rivets,screws

Refer to the article "Opinion: Bicultural Identity Is Something to Be Embraced." Read the claim and the reason. Claim: Young people may be more capable of embra

political, social and cultural changes in the early Roman empire

Conjugate the verb correctly please

Will mark brainliest! Find the area of the triangle.

María Rodriquez Single-payment loan of $1,000 Interest rate of 7% Ordinary interest for 108 days What is the interest owed? What is the maturity value?

please heeeeeeeeeeeeeeeeeeelp