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What is the pH of a solution when a) 19.0 mL of a 0.100M NaOH has...

What is the pH of a solution when

a) 19.0 mL of a 0.100M NaOH has been added to 20.0 mL of 0.100M HCl?

b) 21.0 mL of 0.100M NaOH has been added to 20.0mL of 0.100M HCl?

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Answer #1

@ Va= 19.0 mL , M = 0.100 M = o. loomale Va = 20.0mL, Ma= 0.100M = 0.100 malle Number of moles of acid, - na =Maya = 0.100 ml© V6= 210ml, Mo = 0.100M = ouloo molle Ya = 20.0mL, Ma= 0.6com Follow melle na va Ma = 20.0 mk xo.loo mol = 2.0mmib. nb=YMb =

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