03-10-2021
Chemistry

contestada

How many atoms are there in 0.028 grams
of iron metal?
12:50 ✓

Respuesta :

himaruanuk himaruanuk

03-10-2021

Answer:

30100000000000000000 atoms

Explanation:

Ar of Fe : 56

0.028/56 = 0.0005 moles of Fe

0.0005 * 6.02 * 10^23(Avagardro's law of constant)

= 3.01*10^20 atoms

Answer Link

Otras preguntas

Como te sientes? a. Me siente mal. b. Sentirme mal. c. Siento bien. d. Me siento bien.

What element is missing from the cellulose molecule which is needed to make collagen?

At which points does the state of texas collect revenue from oil produced in the state?.

This table shows some values of an exponential function. What is the function?

Pls help asap write a half of page answering the questions.

On a coordinate plane, solid circles appear at the following points: (negative 3, 2), (negative 3, 3), (1, 4), (1, negative 4), (2, negative 4), (2, negative 2)

-4(3x+2/6) Solving for x

Select the correct answer. which nation was ruled by a military junta? a. philippines b. myanmar c. india d. malaysia

Solve, using the substitution method. 3m − n = 2 2m + n = − 7 (−1, −5) (–10, –1) (–2, –5) (−5, 1)

In a marine ecosystem, an already existing large population of purple coloured sea urchins increases as starfish eats other colours. Such a type or selection re