Sapling Learning maomilan learmro The flask shown here contains 10.0 ml of HCI a

Question

Sapling Learning maomilan learmro The flask shown here contains 10.0 ml of HCI and a few of phenolphthalein indicator. The buret contains 0.110 M NaOH. What volume of NaOH is needed to 10 reach the end point of the titration? Number ml, NaOH E- 40 What was the initial concentration of HC click to begin Number 0.165 M HCI There is a hint available! View the hint by clicking on the divider bar. the divider bar again to hide the hint. Close O Previous ® Give up 8 view solution Check nswer 0 Next Exit Hint MacBook Pro F9 F4 F5 F6 F7 F8

Explanation / Answer

NaOH 0.11 M and 15 mL; HCl is 10 mL

N1V1=N2V2

0.11 M x 15 mL = 10 mL x N2

N2 = 0.165 M

So HCl concentration was 0.165 M

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