Write the balanced overall equation and the net ionic equation for the reaction of sodium hydroxide with hydrochloric acid.

Overall equation:

Net ionic equation:

Calculate the molarity of a solution that is prepared by dissolving $2\mathrm{.}24$ grams of NaOH in enough deionized water to make $500\mathrm{.}0mL$ of solution? The molar mass of NaOH is $40\mathrm{.}0g.$

Molarity $=$

What is the color of phenolphthalein indicator in:

a$.$ acidic solution

b$.$ basic solution

Calculate the molarity of the acetic acid in vinegar, if a $5\mathrm{.}00-mL$ sample of the vinegar requires $43\mathrm{.}50mL$ of $0\mathrm{.}105$MNaOH to reach a phenolphthalein endpoint in a titration.

Molarity $=$