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AveGali [126]
2 years ago
14

What is the molarity of a solution that contains 25 g of HCl in 150 mL of solution? (The molar mass of HCl is 36.46 g/mol.)

Chemistry
2 answers:
lawyer [7]2 years ago
7 0

Explanation:

Molarity is defined as number of moles of solute in liter of solution.

Whereas number of moles is equal to mass of given substance divided bu its molar mass.

Since molar mass of HCl is 36.46 g/mol. Therefore, calculate the number of moles of HCl as follows.

       Number of moles of HCl = \frac{mass of given}{Molar mass of HCl}

                                             = \frac{25 g}{36.46 g/mol}

                                             = 0.686 mol

Hence, molarity of solution will be as follows.

              Molarity = \frac{no. of moles}{volume of solution}

                            = \frac{0.686 mol}{0.15 L}

                            = 4.573 mol/L

Thus, we can conclude that molarity of  a solution that contains 25 g of HCl in 150 mL of solution is 4.573 mol/L.

Tomtit [17]2 years ago
5 0

Answer:moles

Explanation:

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Explanation:

The right terms have been filled into the statement.

Electrophiles are election rich so they react with nucleophiles. And vice versa.

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Certain compound contains 7.3% carbon, 4.5% hydrogen, 36.4% oxygen, and 31.8% nitrogen. It’s reality molecular mass is 176.0. Fi
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Answer:

The answer to your question is:

Explanation:

Data

carbon        7.3%          =     7.3g

hydrogen    4.5%         =      4.5g

oxygen       36.4%         =     36.4 g

nitrogen     31.8%         =     31.8 g

Now

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                    12 g --------------------1 mol

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For hydrogen

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                   x = 4.5 mol

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             16 g ------------------- 1 mol

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For nitrogen

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Now divide by the lowest result, the is 0.608 from carbon

carbon              0.608/0.608 = 1

hydrogen           4.5/ 0.608 = 7.4

oxygen              2.28/0.608 = 3.75

nitrogen             2.27/0.608 = 3.73

Empirical formula = CH₇O₄N₄

     

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What is white light?
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