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How many moles of HCl are present in 40.0 mL of a 0.035 M HCl solution?

Question:

How many moles of HCl are present in 40.0 mL of a 0.035 M HCl solution?

Molarity:

Molarity is a term used to express the concentration of a chemical solution. It is the number of moles of solute present in one liter of the solution. Another concentration term is known as morality. It is the number of moles of solute present in one kilogram of solvent. A solution is a mixture of solute and solvent. With the help of the following formula, we can calculate the mass of the solute using the given number of moles:

{eq}\text{Mass of solute} = \text{(Number of moles)} \times \text{(Molar mass)} {/eq}

Answer and Explanation: 1

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Given:

  • The volume of {eq}\ HCl \ {/eq} solution, {eq}V = 40.0 \ \rm mL = 40.0 \times 10^{-3} \ \rm L {/eq}
  • Molarity of {eq}\ HCl \ {/eq} solution,...

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Calculating Molarity and Molality Concentration

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Chapter 8 / Lesson 4
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What is molarity? What is molality? Compare molarity vs molality by viewing molality and molarity formulas, how to calculate molarity and molality, and examples.


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