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Brilliant_brown [7]
3 years ago
7

The atomic number of magnesium is 12 this is also the number of which of the following

Chemistry
1 answer:
frozen [14]3 years ago
4 0
The atomic number represents the number of protons present in an atom.Therefore,the answer is B.
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A solution of aqueous ammonium sulfate has a mass of 482 grams. Calculate the mass of ammonium sulfate in solution if the mass p
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Answer:

The answer to your question is the mass of solute = 53.5 g

Explanation:

Data

mass of solution = 482 g

mass of solute = ?

mass percent = 11.1 %

Mass percent is a unit of concentration. It measures the mass of the solute divided by the total mass of the solution

Process

1.- Write the formula

        Mass percent = mass of solute / mass of solution x 100

-Solve for mass of solute

          mass of solute = Mass percent x mass of solution / 100

2.- Substitution

          mass of solute = 11.1 x 482 / 100

3.- Simplification

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4.- Result

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3 years ago
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