All categories

4 years ago

What will be the number of atoms in 0.750 gram of Fe

Chemistry

1 answer:

expeople1 [14]4 years ago

3 0

Answer:

8.085x10²¹ atoms

Explanation:

Atomic mass of Fe = 55.845 g/mol

it means ,

1 mole Fe = 55.845 g

1 mole = 6.02x10²³ atoms

so,

55.845g Fe has = 6.02x10²³ atoms

∴0.750 g Fe has = {(6.02x10²³ x 0.750)/55.84} atoms

=8.085x10²¹ atoms

You might be interested in

The noun field has several meanings. You have learned one meaning. Give two other meanings for field.

AlekseyPX

Answer:

an open area, one typically with crops. a particular branch of a study or interest.

Explanation:

4 0

3 years ago

How can an acid salt be converted to a normal salt

erik [133]

Neutralize it with a alkaline

7 0

4 years ago

Which of the following methods can be used to completely separate a solution containing alcohol and water?

liq [111]

A) i think is the answerrrrr

8 0

3 years ago

Five gases combined in a gas cylinder have the following partial pressures: 3. 00 atm (N2), 1. 80 atm (O2), 0. 29 atm (Ar), 0. 1

Helen [10]

The total pressure of the gaseous mixture has been 5.37 atm. Thus, option D is correct.

The partial pressure has been defined as the pressure exerted by each gas in the mixture.

According to the Dalton's law of partial pressure, the total pressure of gas has been the sum of the partial pressure of the gases in the mixture.

The given partial pressure of gases in the mixture has been:

Partial pressure of Nitrogen, $P_N_2=3\;\rm atm$
Partial pressure of Oxygen, $P_O_2=1.80\;\rm atm$
Partial pressure of Argon, $P_A_r=0.29\;\rm atm$
Partial pressure of Helium, $P_H_e=0.18\;\rm atm$
Partial pressure of Hydrogen, $P_H=0.10\;\rm atm$

The total pressure of the gaseous mixture has been:

$P=P_N_2\;+\;P_O_2\;+\;P_A_R\;+\;P_H_e\;+\;P_H\\P=3\;+\;1.80\;+\;0.29\;+\;0.18\;+\;0.10\;\text {atm}\\P=5.37\;\rm atm$

The total pressure of the gaseous mixture has been 5.37 atm. Thus, option D is correct.

For more information about partial pressure, refer to the link:

brainly.com/question/14623719

7 0

2 years ago

What coefficients should be added in order to make this a balanced equation?

Vanyuwa [196]

Answer:

Hello

Coefficients are 1,3,2,1

Explanation

6 0

4 years ago