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vfiekz [6]
3 years ago
5

Which of these pairs would form an ionic bond? K and Br

Chemistry
2 answers:
weeeeeb [17]3 years ago
8 0

Answer:

K and Br

Explanation:

I got it right duhhh

ZanzabumX [31]3 years ago
5 0

is there any other pairs


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How many atoms of oxygen are present in 7.51 grams of<br> glycine with formula C₂H5O2N?
Blizzard [7]

1.205 × 10²³ atoms of oxygen will be present in 7.51 grams of glycine with formula C₂H5O2N. Details about number of atoms can be found below.

How to calculate number of atoms?

The number of atoms of a substance can be calculated by multiplying the number of moles of the substance by Avogadro's number.

However, the number of moles of oxygen in glycine can be calculated using the following expression:

Molar mass of C₂H5O2N = 75.07g/mol

Mass of oxygen in glycine = 32g/mol

Hence; 32/75.07 × 7.51 = 3.2grams of oxygen in glycine

Moles of oxygen = 3.2g ÷ 16g/mol = 0.2moles

Number of atoms of oxygen = 0.2 × 6.02 × 10²³ = 1.205 × 10²³ atoms

Therefore, 1.205 × 10²³ atoms of oxygen will be present in 7.51 grams of glycine with formula C₂H5O2N.

Learn more about number of atoms at: brainly.com/question/8834373

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The CNO cycle produces energy in which of the following?
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What is the boiling point of water at an elevation of 1.55×104 ft ?
horsena [70]
The computation for this problem is:
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