CHEM 1406-221HY Intro X C pling 238494. apling Learning CHEM 1406-221HY Introduc

Question

CHEM 1406-221HY Intro X C pling 238494. apling Learning CHEM 1406-221HY Introductory Chemistry I- G. Johnson Activities and Due Dates Unit 10 Homewo My Assig 4/13/2016 02:00 PM 56.8/100 4/13/2016 o4:50 PM Gradebook Attempts score Print Calculator Periodic Table Question 11 of 20 A monoprotic acid, HA, is dissolved in water: The equilibrium concentrations of the reactants and products are HA 0.180 M H3O 2.00 x 10-4 M [A] 2.00 x 04 M Calculate the Ka value for the acid HA. Previous 3 Give Up & View Solution Check Answer Next D Exit Hint Resources Assignment Information Available From: 3/23/2016 06:00 PM 4/13/2016 02:00 PM Due Date: Late submissions: Allowed with 109 of the points possible deducted per day 04/23/2016 02:00 PM Points Possible: 100 Grade Category: Homework Description: Homework Late You can check your answers. You can view solutions when you complete or give up on any question You have five attempts per question. You lose 5% of the points available to each answer in your question for each incorrect attempt at that For multiple choice questions, the penalty depends on the number of choices available. O Help With This Topic O Web Help & Videos o Technical Support and Bug Reports

Explanation / Answer

by definition

K = [H3O+][A-/[HA]

K = (2*10^-4)^2 / (0.18)

K = 2.222222*10^-7

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