juliah9546 juliah9546

21-11-2017
Chemistry

contestada

What is the mole fraction of o2 in a mixture of 15.1 g of o2, 8.19 g of n2, and 2.47 g of h2?

Respuesta :

shinmin shinmin

01-12-2017

The solution is
(15.1 g O2) / (31.99886 g O2/mol) = 0.47189 mol O2 (8.19 g N2) / (28.01344 g N2/mol) = 0.29236 mol N2 (2.48 g H2) / (2.01588 g H2/mol) = 1.2302 mol H2
(0.47189 mol O2) + (0.29236 mol N2) + (1.2302 mol H2) = 1.99445 mol total
(0.47189 mol O2) / (1.99445 mol total) = 0.237 for O2

Answer Link

Otras preguntas

what is 2567 divided by 4

in the first person point of view, one of the characters:

All of the following are ways to write 25 percent of N EXCEPT A. (0.25)N 25 B. N 100 1 C. N4 D. 25N

1) in a response of two to three sentences, explain how these lines contribute to grendel's characterization as a monster. "fell and frantic, and forced from th

in which of these categories of nonfiction would you find journalistic writing? essays biographies diaries periodicals

what are the advantages of read only memory?

all of the following are social and cultural barriers except ________. select one: a. language b. gift-giving traditions c. religious attitudes d. currency shif

Mark tossed six balls

Why xy=c is hyperbola ?

What is the purpose of a descriptive essay? A. to analyze the value of something B. to tell events in correct sequence C. to provide details about a person or t