Trial $1$:

Mass of KHP: $0\mathrm{.}350$g

Volume of $0\mathrm{.}1$M NaOH used to reach equilibrium: $17\mathrm{.}32$ mL

Trial $2$:

Mass of KHP: $0\mathrm{.}364$g

Volume of $0\mathrm{.}1$ M NaOH used to reach equilibrium: $21\mathrm{.}28$ mL

Trial $3$:

Mass of KHP: $0\mathrm{.}361$

Volume of $0\mathrm{.}1$ M NaOH used to reach equilibrium: $18\mathrm{.}04$ mL

Determine volume of NaOH at equivalence point for each trial?

Determine volume of NaOH at $1/2$

equivalence point for each trial?

PKa for each trial?

Ka for each trial?

Average Ka$?$

Standard deviation Ka$?$

RSD of Ka$?$

$(10$ mL of unknown acid in eaxh trial. $)$

Find average concentration of NaOH $($M$)$ in each trial?

Volume of NaOH at equivalence point?

Concentration of unknown acid $($M$)?$

Average concentration?

Standard deviation?

RSD$?$

$!!$ Please help me figure out how to solve these problems!! The excel sheet goes in order from trial $1($top$)$ to trial $3($bottom$).$ Thank you!!