taniabrown49 taniabrown49

24-01-2017
Chemistry

contestada

How many moles are in 22 grams of argon?

Respuesta :

Аноним Аноним

06-02-2017

Moles of Ar = mass/atomic weight of Ar
= 22/39.948
= 0.55 moles

Hope this helps!

Answer Link

Otras preguntas

i know i have to use A=pe^rt but im not sure if im plugging in the numbers in the correct spot

Which is the best treatment for a severe bleeding injury? A. Wash the wound with mild soap and cool water. B. Apply a sterile bandage with pressure to stop th

which expressions are equivalent to the one below? check all that apply. 5^3*5^x A. 5^3-x B.125*5^x C.25^3x D.5^3+x E.5^3x F.(5*x)^3

HELP PLZ (30 POINTS)

Why is it important to identify your audience while making a presentation? A. It helps you define the time limit and number of slides required in the presenta

Suppose a stock had an initial price of $105 per share, paid a dividend of $2.50 per share during the year, and had an ending share price of $129. compute the p

Which of these people is experiencing stress? A. Kara sleeps very late on Sunday mornings and then finds it difficult to sleep at night. B. Sam finds it difficu

Explain how to write a linear equation for a line on a graph.

PLEASE I NEED THESE SOMEONE! 6-10

A purebred y’all plant crossed with a purebred short plant. All F1 offspring are tall. Is the allele for tallness dominant or recessive