18 Questions
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?
0.200 M HCl solution
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
How would you proceed to determine the molarity of an acetic acid solution, HC2H3O2?
Conduct a titration using NaOH
What volume of Sr(OH)2 solution would be needed to neutralize 0.00603 mol of HCl?
16.3 mL
What is the molarity of the Sr(OH)2 solution if it requires 1000 mL to neutralize 0.185 mol of Sr(OH)2?
0.185 M
How many moles of HCl are present in a 0.0250 L HCl solution with a molarity of 0.241 M?
0.01206 mol
If 1 L of Sr(OH)2 solution requires 2 mol of HCl for neutralization, what is the molarity of the HCl solution?
1 M
How would you calculate the volume or molarity of an acid or base solution from titration information?
Use stoichiometry to relate moles of reactants and products
What is the pH of stomach acid with a hydrogen ion concentration of $1 imes 10^{-3}$ M?
9
Which type of acid is stomach acid (HCl)?
Strong acid donating H+
What is the product of the reaction between stomach acid (HCl) and CaCO3?
H2O and CO2
What is the Ka value for a weak acid if its pH is measured to be 4.2?
$1 imes 10^{-4}$
What is the concentration of hydroxide ions in a solution with pH 11.2?
$5 imes 10^{-4}$ M
Which compound would be effective as an antacid to neutralize stomach acid?
NaOH (Sodium Hydroxide)
What would be the effect on the pH of a solution if a weak base is added to it?
Increase in pH
What role does OH- play in the neutralization reaction between an acid and a base?
OH- forms water molecules
In the context of acids and bases, what does the term 'buffer' refer to?
A substance that prevents any change in pH upon addition of small amounts of an acid or a base
$NaOH(s)$ in an aqueous solution dissociates into which ions according to Arrhenius theory?
$Na^{+}$ and $OH^{-}$
This quiz covers balancing neutralization reactions involving acids and bases, as well as calculating the molarity or volume of acid or base solutions from titration information. Questions include balancing equations for reactions like H3PO4 and NaOH, HCl and Mg(OH)2, as well as determining molarity from titration data.
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