klffrench klffrench

23-01-2018
Chemistry

contestada

What is the mass of 3.6 x 1024 atoms of Zinc (Zn)?

Respuesta :

Dejanras Dejanras

01-02-2018

Answer is: mass od zinc is 392,28 g.
N(Zn) = 3,6·10²⁴.
n(Zn) = N(Zn) ÷ Na.
n(Zn) = 3,6·10²⁴ ÷ 6·10²³ 1/mol.
n(Zn) = 6 mol.
m(Zn) = n(Zn) · M(Zn).
m(Zn) = 6 mol · 65,38 g/mol.
m(Zn) = 392,28 g.
Na - Avogadro number.
n - amount of substance.
M - molar mass.

Answer Link

Otras preguntas

Q3-Non disjunction during meiosis of oogenesis will result in eggs that have. a-The normal number of chromosomes B-one less than the normal number of chromosom

· Where you would go (the location in the picture). · 2 sentences describing what the place looks like. (*vocab list – to seem) · 1 sentence describing what you

What qualities and characteristics would be associated with autocratic leadership style?

- Determine "similarities and differences" among the lenses, Of liberal arts

Find the following areas under the normal curve A. -1.43 < z < 0.68 B. 0.58 < z < 1.74 C. -1.55 < z < 0.44 D. z > 1.34 2 find the standardi

triangle k a p is congruent to Triangle akr by rule

The distribution of the amount of money spent by students on textbooks in a semester is approximately normal in shape with a mean of: = 428 and a standard devia

what happened to Asley Williams throat

Here are the weights (in pounds) of a sample of 13 male eleventh graders. 148, 140, 159, 141, 151, 156, 173, 167, 160, 159, 146, 174, 170 Find the median weight

A spaceship hovering over the surface of Venus drops an object from a height of 33 m. How much longer does it take to reach the surface than if dropped from the