All categories

3 years ago

Calculate the number of atoms of each element and the total number of atoms contained in 2.50 moles of Al2(SO4)3.

Chemistry

1 answer:

Leokris [45]3 years ago

3 0

Answer:

15.05 * 10^23 atoms are present in 2.50moles of Al2(SO4)3

Explanation:

To solve this question, the Avogadro equation is used.

Number of moles (n) = number of atoms (N) / Avogadro number.

n = N / 6.02*10^23

So therefore;

2.50moles = N / 6.02* 10^23

N = 6.02* 10^23 * 2.50

N = 15.05* 10^23 atoms.

You might be interested in

When identical particles pack in a simple cubic lattice, there is/are ____ particle(s) per unit cell?

MakcuM [25]

Answer:
<span>When identical particles pack in a simple cubic lattice, there is ONE particle per unit cell.

Explanation:
As we know that simple cube has eight corners and each particle at every corner is shared by eight cubic crystals. So it means that only </span><span>eighth </span>part of a particle is present at one corner of each cube. Therefore, each corner contain 1/8 particle, then all corners will contain 1/8 × 8 = 1 particle.

4 0

3 years ago

BRAINLIESTTT !!! Pls help ASAP !!!! How does plasma state of matter interact with other matter?

Ivan

Answer:

Plasma is a state of matter in which an ionized gaseous substance becomes highly electrically conductive to the point that long-range electric and magnetic fields dominate the behaviour of the matter. The plasma state can be contrasted with the other states: solid, liquid, and gas

Explanation:

7 0

3 years ago

The chemical symbol for a calcium ion is ca2 . what does the 2 symbolize

Blababa [14]

2 stands for valency of ca ion

its +2

that it takes two electrons to complete its shell

8 0

3 years ago

In a balanced chemical reaction, the number of atoms of each element in the product(s) always equals the

dangina [55]

A ? Or c I thinkkkkkk

6 0

2 years ago

Read 2 more answers

Which of the following alkyl halides will react fastest with CH3OH in an SN1 mechanism?

yaroslaw [1]

Answer:

Explanation:

The complete question is shown in the image attached.

Let us call to mind the fact that the SN1 mechanism involves the formation of carbocation in the rate determining step. The order of stability of cabocations is; tertiary > secondary > primary > methyl.

Hence, a tertiary alkyl halide is more likely to undergo nucleophilic substitution reaction by SN1 mechanism since it forms a more stable cabocation in the rate determining step.

Structure IV is a tertiary alkyl halide, hence it is more likely to undergo nucleophilic substitution reaction by SN1 mechanism.

5 0

3 years ago