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Veronika [31]
3 years ago
13

In order to calculate the mass of an element in a given mass of a compound the mass of the compound is multiplied by the mass

Chemistry
1 answer:
Allushta [10]3 years ago
7 0
Molar mass is the mass of a given substance divided by the amount of that substance, measured in g/mol.
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Aspartic acid is an amino acid used to synthesize proteins. There are ________ atoms with a trigonal planar geometry in the aspa
guajiro [1.7K]

Answer:

D)3

Explanation:

The trigonal planar atoms are: N and two Carbons (of COOH)

5 0
3 years ago
How many grams of Cl2 are in 1.20 x 1024 Cl atoms?
Vaselesa [24]
<h3>Answer:</h3>

70.906 g

<h3>Explanation:</h3>

We are given;

  • Atoms of Chlorine = 1.2 × 10^24 atoms

We are required to calculate the mass of Chlorine

  • We know that 1 mole of an element contains atoms equivalent to the Avogadro's number, 6.022 × 10^23.
  • That is , 1 mole of an element = 6.022 × 10^23 atoms
  • Therefore; 1 mole of Chlorine = 6.022 × 10^23 atoms

But since Chlorine gas is a molecule;

  • 1 mole of Chlorine gas = 2 × 6.022 × 10^23 atoms

But, molar mass of Chlorine gas = 70.906 g/mol

Then;

70.906 g Of chlorine gas = 2 × 6.022 × 10^23 atoms

                                          = 1.20 × 10^24 atoms

Thus;

For 1.2 × 10^24 atoms ;

= ( 70.906 g/mol × 1.2 × 10^24 atoms ) ÷ (1.20 × 10^24 atoms)

<h3>=  70.906 g </h3>

Therefore, 1.20 × 10^24 atoms of chlorine contains a mass of 70.906 g

=  

5 0
2 years ago
Chemistry help!
Norma-Jean [14]

Refer to the attachment.

Hope this helps you...

3 0
2 years ago
Emission Spectrum Questions for Quiz Print - Quizizz
-Dominant- [34]

Isotopes of  the same element

₃₅⁷⁷X and ₃₅⁸¹X

<h3>Further explanation</h3>

Given

Isotopes of element

Required

Isotopes of  the same element

Solution

The elements in nature have several types of isotopes  

Isotopes are elements that have the same Atomic Number (Proton)  and different mass numbers

Element symbols that meet the 2 conditions above are :

₃₅⁷⁷X and ₃₅⁸¹X

3 0
2 years ago
Can someone check that I did this correctly? What does it mean by “networks” and “formula units”?
ale4655 [162]
Idk i just need to ask a question
6 0
3 years ago
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