FluttershyK22
FluttershyK22 FluttershyK22
  • 20-10-2020
  • Chemistry
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What is the molarity of HCl if 34.81 mL of a solution of HCl contain 0.3297 g of HCl?

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tbert55 tbert55
  • 20-10-2020

Answer:

0.2598 M

Explanation:

Molarity is mol/L, so we have to convert the grams to moles and the mL to L. To convert between grams and moles you need the molar mass of the compound, which is 36.46g/mol.

[tex]0.3297gHCl*\frac{1molHCl}{36.46gHCL} = 0.00904279 mol HCl[/tex]

[tex]34.81 mLHCl * \frac{1L}{1000L} = 0.03481 L HCl[/tex]

[tex]\frac{0.00904279molHCl}{0.03481 L HCl} = 0.25977554 mol/L[/tex]

Round to the lowest number of significant figures = 0.2598 M

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