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

At lunchtime 5/6 of students buy juice. Of those students 3/4 buy orange juice. What fraction of the students buy orange juice?

Deep-brain stimulation has been reported to provide relief from what?

Which of these metals are magnetic? A. Copper B. Steel C. Nickel D. Tin E. Aluminum

A gear in a watch turns clockwise, in 1° sections, a total of 300 times. How many degrees has the gear turned?

The marginal benefit of a slice of pizza is the: question 5 options: total amount that a consumer is willing to pay for a whole pizza, divided by the number of

Each car has 5 wheels. There are 74 wheels. How many cars are there? How many wheels left over?

What is the solution to this system of linear equations?7x - 2y = -68x + y = 3A.(-6,3)B.(0,3)C.(1,-5)D.(15,-1)

what is the mean of 6,8,8,10,13,16,21, and 26

What caused the Ring of Fire? a. Movement and collisions of crystal plates b. The lack of dormant volcanoes in the region c. The motion of fault lines causing

The legal tradition that kept woman from owning property and holding public office came to the United States from A. Mexico B. Britain C. France D. Africa