$20$ drog $1$LLets sa ins haily we havedops of $1$M HCCalcuang pt o buersKa acehc asd $-$ty mjtjalty, CAJ$=$CA$2$D enL $05$M HA$200\mathrm{.}5$M$2$C D$\mathrm{.}5$M Hn O$\mathrm{.}0!$ mgles $+0\mathrm{.}0005$ wol$0$l $\mathrm{.}5$u A DDl oles $-0$g$00$relA, deureasing ity concentrahonwand acnecatng moe MA$,$ inLreosi$4$hat coNertraton$0.$o$105$e tt$0\mathrm{.}0015$m AOl$-0\mathrm{.}512$ M$20\mathrm{.}5$mL s D$\mathrm{.}43$ M$(20$ dropg $1$ m$)$NonbufferedSolutionsinitial pHpH after $10$ dropsTpH after $30$ dropspH after $20$ drops $\mathrm{.}30$pH after $40$ drops,BufferedSolutionsInitial pHpH after $10$ dropsMeasured pHpH after $20$ dropspH after $30$ dropspH after $40$ dropsG$344\mathrm{.}5$l X$101$Beaker $1$Measured pH$4\mathrm{.}62$Beaker $1(+$ HCI$)$Calculated pH$4\mathrm{.}51$L$\mathrm{.}6$odOBeakerCalculated pH$4$:$507$Beaker $2(+$ NaOH$)$Measured pH$316$x$1013\mathrm{.}1436$x$10213\mathrm{.}156\mathrm{.}50$r$013\mathrm{.}2512$:$39$Beaker $2(-$ NaOH$)$Measured pHb$.]0|\mathrm{.}41$x$04\mathrm{.}70$Ca$4\mathrm{.}87$aleulseceeeees$**$Beaker $24321-29$X$10132\mathrm{.}76$x$0$h$03$x$10$'sboBeaker $2(4$ NaOH$)$Calculated pH

doipt ot bu fer$)$ lalocheckout$20$ drogs $1$aLLets sau in hally we hare$8$ter b drops of $1$M HCLCalcuahog pt of buffersDHplatl$420$ L D$.$SM A$20$ mL $0$sM HAAs oud s ndded, t reacts wA$,$ deureaSing its concentratioANd gtnecatng more HA$,$hat coLentraon$0$L O$\mathrm{.}5$M A DD oles $-0\mathrm{.}000$oSol o$\mathrm{.}005$ ol A $20\mathrm{.}5$ml D$\mathrm{.}4$pti$=44+$ bg$(20$ dropg $1$ m$)$NonbufferedSolutionsinitial pHpH after $10$ dropspH after $20$ dropspH after $30$ dropsBufferedSolutionspH after $40$ drops,Initial pHptH after $10$ dropspH after $20$ dropspH after $30$ dropsMeasured pHpH after $40$ drops$\mathrm{.}30$G$344\mathrm{.}5$l X$101$Beaker $1$Measured pH$4\mathrm{.}62$Beaker $1(+$ HCI$)$Calculated pH$4\mathrm{.}51$L$\mathrm{.}6$odOBeakerCalculated pH$4$:$507$Beaker $2(+$ NaOH$)$Measured pH$316$x$1013\mathrm{.}1436$x$10213\mathrm{.}156\mathrm{.}50$r$013\mathrm{.}2512$:$39$Beaker $2(-$ NaOH$)$Measured pHb$.]0|\mathrm{.}41$x$04\mathrm{.}70$Ca$4\mathrm{.}87$aleulseceeeees$**$Beaker $24321-29$X$10132\mathrm{.}76$x$0$h$03$x$10$'sboBeaker $2(4$ NaOH$)$Calculated pH