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 (C)</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 (C)</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 (C)</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 (B)</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> (A)</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 (B)</p> Signup and view all the answers

Which type of acid is stomach acid (HCl)?

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

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

<p>H2O and CO2 (A)</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>$1 imes 10^{-4}$ (A)</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 (D)</p> Signup and view all the answers

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

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

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

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

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