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Naya [18.7K]
2 years ago
10

How many mol of nitrogen is in 0.30 mol of caffeine

Chemistry
2 answers:
creativ13 [48]2 years ago
6 0
Recall that a mole is defined as Avogadros number of particles.
What the formula of caffeine basically tells us is that for every molecule of caffeine, you will have 4 atoms of nitrogen
So, if we have 0.3 moles of caffeine we will have 4*0.3 moles of nitrogen which is 0.12.
And you got the idea

Cheers
Oduvanchick [21]2 years ago
5 0

<u>Answer:</u> In the given amount of caffeine, 1.2 moles of nitrogen is there.

<u>Explanation:</u>

The chemical formula for caffeine molecule is C_8H_{10}N_4O_2

This is formed by the combination of carbon, hydrogen, nitrogen and oxygen atoms.

In 1 mole of caffeine molecule, 8 moles of carbon atom, 10 moles of hydrogen atom, 4 moles of nitrogen atom and 2 moles of oxygen atoms are present.

We are given:

Moles of caffeine = 0.30 moles

So, in 0.3 moles of caffeine, (0.3 × 4) = 1.2 moles of nitrogen atom will be there.

Hence, in the given amount of caffeine, 1.2 moles of nitrogen is there.

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Wetlands provide habitats for many living things because of their sheltered waters and what other feature?
SIZIF [17.4K]

Answer:

large supply of nutrients.

Explanation:

In a wetland, the soil is covered by water or is almost covered by water. This water may be coming upwards from an underground aquifer. Wetlands are covered by water for most of the year.

They are sheltered waters and do provide habitats for many living things.

Nutrients such as; Carbon sulfur, phosphorus, carbon, and nitrogen are cycled within the soil of wetlands hence wetlands have a large supply of nutrients.

5 0
2 years ago
PLEASE HELP!!!!!!!!!
andreev551 [17]

The average atomic mass of the imaginary element : 47.255 amu

<h3>Further explanation  </h3>

The elements in nature have several types of isotopes  

Isotopes are elements that have the same Atomic Number (Proton)  

Atomic mass is the average atomic mass of all its isotopes  

Mass atom X = mass isotope 1 . % + mass isotope 2.% ..

isotope E-47 47.011 amu, 87.34%

isotope E-48 48.008 amu, 6.895

isotope E-49 50.009 amu, 5.77%

The average atomic mass :

\tt avg~mass=0.8734\times 47.011+0.06895\times 48.008+0.0577\times 50.009\\\\avg~mass=41.059+3.310+2.886\\\\avg~mass=47.255~amu

5 0
2 years ago
Help me out please an thank you
ivanzaharov [21]
The second one, I could be mistaken though
3 0
2 years ago
Sarah is in her chemistry lab doing an experiment. When she goes to take the mass of the chemical she is working with, she disco
cupoosta [38]

Answer:

10 x 5 = 50

Explanation:

50 is the mass of her chemical.

7 0
2 years ago
You decide you want to carry a boulder home from the beach. It is 20 centimeters on each
e-lub [12.9K]

Answer:

Weight of boulder = 22,400 gram

Explanation:

Given:

Volume = 8,000 cm³

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Weight of boulder

Computation:

Weight of boulder = Volume x Density

Weight of boulder = 8,000 x 2.8

Weight of boulder = 22,400 gram

3 0
3 years ago
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