Neutralization Reactions Balancing and Acid-Base Titration
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Questions and Answers

What is the molarity of the HCl solution if a 28.6 mL of 0.175 M NaOH solution is required to titrate a 25.0-mL sample of the HCl solution?

  • 0.225 M HCl solution
  • 0.275 M HCl solution
  • 0.250 M HCl solution
  • 0.200 M HCl solution (correct)

    • What is the molarity of a formic acid solution, HCHO2, if you need to perform a titration to determine it?

  • Prepare a NaOH solution and perform a titration (correct)
  • Conduct a redox reaction to find the molarity
  • Perform a double replacement reaction to calculate molarity
  • Use an HCl solution to perform a titration

    • How would you proceed to determine the molarity of an acetic acid solution, HC2H3O2?

  • Use an indicator to find the neutralization point
  • Conduct a titration using NaOH (correct)
  • Perform a precipitation reaction
  • Calculate the molarity based on a redox reaction

    • What volume of Sr(OH)2 solution would be needed to neutralize 0.00603 mol of HCl?

    <p>16.3 mL</p> Signup and view all the answers

    What is the molarity of the Sr(OH)2 solution if it requires 1000 mL to neutralize 0.185 mol of Sr(OH)2?

    <p>0.185 M</p> Signup and view all the answers

    How many moles of HCl are present in a 0.0250 L HCl solution with a molarity of 0.241 M?

    <p>0.01206 mol</p> Signup and view all the answers

    If 1 L of Sr(OH)2 solution requires 2 mol of HCl for neutralization, what is the molarity of the HCl solution?

    <p>1 M</p> Signup and view all the answers

    How would you calculate the volume or molarity of an acid or base solution from titration information?

    <p><em>Use stoichiometry to relate moles of reactants and products</em></p> Signup and view all the answers

    What is the pH of stomach acid with a hydrogen ion concentration of $1 imes 10^{-3}$ M?

    <p>9</p> Signup and view all the answers

    Which type of acid is stomach acid (HCl)?

    <p>Strong acid donating H+</p> Signup and view all the answers

    What is the product of the reaction between stomach acid (HCl) and CaCO3?

    <p>H2O and CO2</p> Signup and view all the answers

    What is the Ka value for a weak acid if its pH is measured to be 4.2?

    <p>$1 imes 10^{-4}$</p> Signup and view all the answers

    What is the concentration of hydroxide ions in a solution with pH 11.2?

    <p>$5 imes 10^{-4}$ M</p> Signup and view all the answers

    Which compound would be effective as an antacid to neutralize stomach acid?

    <p>NaOH (Sodium Hydroxide)</p> Signup and view all the answers

    What would be the effect on the pH of a solution if a weak base is added to it?

    <p>Increase in pH</p> Signup and view all the answers

    What role does OH- play in the neutralization reaction between an acid and a base?

    <p>OH- forms water molecules</p> Signup and view all the answers

    In the context of acids and bases, what does the term 'buffer' refer to?

    <p>A substance that prevents any change in pH upon addition of small amounts of an acid or a base</p> Signup and view all the answers

    $NaOH(s)$ in an aqueous solution dissociates into which ions according to Arrhenius theory?

    <p>$Na^{+}$ and $OH^{-}$</p> Signup and view all the answers

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