Lexitee550 Lexitee550

08-06-2017
Chemistry

contestada

What is the mass, in grams, of a sample of 6.98 × 1024 atoms of magnesium (Mg)?

Respuesta :

dec77cat dec77cat

08-06-2017

N=6.98*10²⁴
Nₐ=6.022*10²³ mol⁻¹

n(Mg)=N/Nₐ

m(Mg)=n(Mg)M(Mg)=M(Mg)N/Nₐ

m(Mg)=24.3g/mol*6.98*10²⁴/(6.022*10²³mol⁻¹)=281.7 g

Answer Link

Otras preguntas

reasons for the rise of the afrikaner nationalism from 1930 to 1948

What is it called when a writer moves from one topic or idea to another topic or idea?

need heeeelp please

TIME REMAINING 51:31 What are the factors of x2 – 100? (x – 50)(x + 50) (x – 10)(x + 10) (x – 25)(x + 4) (x – 5)(x + 20)

What is the correct chemical name for the following structures pictured below?

29% of a university's freshman class are majoring in Economics. If 2668 students in the freshman class are Economics majors, how many students are in the freshm

The second leg of the trade differed from the other legs in that .

Dubey Companies Incorporated reported the following accounts and amounts (in millions) in its financial statements for the year ended November 30, 2018. Account

What is it called when a writer moves from one topic or idea to another topic or idea?

The linear model represents the height, f(x), of a water balloon thrown off the roof of a building over time, x, measured in seconds.