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kow [346]
3 years ago
12

The characteristic functional groups of a protein are _____.

Chemistry
1 answer:
V125BC [204]3 years ago
4 0

Answer:

\boxed{\text{amide groups}}

Explanation:

A protein is a long chain of amino acids linked together by amide groups.

The general structure is

\rm \left[-NHCHR-\underbrace{\hbox{CO-NH}}_{\hbox{amide group}}-CHRCO-\right]_{n}

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The molar concentration of potassium ions in a  0. 250 m K₂SO₄(aq) solution is 2.

<h3>What is molar concentration?</h3>

The molar concentration of a solution is the presence of solute in one unit of a solution.

Molar concentration = number of moles / volume

The volume is given 0.250 m

To calculate the number of moles:

There will be 2 moles of potassium and  1 mole of sulfate in one L of the solution.

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0.250 x 2 x 1 = 0.500

The total number of moles of potassium and sulfate ion are 0.500

Now, putting the value:

Molar concentration = number of moles / volume

0.500 / 0.250 = 2

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