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What h3o+ concentration corresponds to each ph value

30/12/2020 Client: saad24vbs Deadline: 10 Days

1.)What H3O+ concentration corresponds to each pH value: (a) 12.600; (b) 8.300; (c) 4.200? (a)


×10 M (b)


×10 M (c)


×10 M


2.) Convert each H3O+ concentration to a pH value.


b. 8.25 ×10−9 M


3.) Convert each H3O+ concentration to a pH value.


a. 0.053 M


b. 0.0000000159 M


4.) Calculate the H3O+ concentration from each pH: (a) 2.40; (b) 8.70. (c)


×10 M (b)


×10 ----------------------- M


5.)


Calculate the value of [−OH] from the given [H3O+] in each solution and label the solution as acidic or basic:


(a) [H3O+] = 2.2 ×10−11 M;


(b) [H3O+] = 3.8 ×10−2 M.


  (a)


http://ezto.mheducation.com/wwtb/viewer/images/sd_vs17_red.png×10http://ezto.mheducation.com/wwtb/viewer/images/sd_vs17_red.png M, (b) http://ezto.mheducation.com/wwtb/viewer/images/sd_vs17_red.png×10http://ezto.mheducation.com/wwtb/viewer/images/sd_vs17_red.png M, http://ezto.mheducation.com/wwtb/viewer/images/sd_vs17_green.png


6.) Calculate the value of [H3O+]from the given [−OH]in each solution and label the solution as acidic or basic:


(a) [−OH]= 7.1 ×10−9 M;(b) [−OH]= 9.4 ×10−4 M.


  (a) http://ezto.mheducation.com/wwtb/viewer/images/sd_vs17_red.png×10http://ezto.mheducation.com/wwtb/viewer/images/sd_vs17_red.png M, http://ezto.mheducation.com/wwtb/viewer/images/sd_vs17_green.png (b) http://ezto.mheducation.com/wwtb/viewer/images/sd_vs17_red.png×10http://ezto.mheducation.com/wwtb/viewer/images/sd_vs17_red.png M, http://ezto.mheducation.com/wwtb/viewer/images/sd_vs17_green.png


7.) Calculate the value of


[


OH−


]


from the given


[


H3O+


]


and label the solution as acidic or basic.


a. 1.9 ×10−5 M




http://ezto.mheducation.com/wwtb/viewer/images/sd_vs17_red.png×10


http://ezto.mheducation.com/wwtb/viewer/images/sd_vs17_red.png M


http://ezto.mheducation.com/wwtb/viewer/images/sd_vs17_green.png




b. 7.8 ×10−10 M




http://ezto.mheducation.com/wwtb/viewer/images/sd_vs17_red.png×10


http://ezto.mheducation.com/wwtb/viewer/images/sd_vs17_red.png M


8.) Calculate the pH of each aqueous solution: (a) 0.0066 M HCl; (b) 0.000012 M KOH.


a.)


b.)


(select)


(select)


-


3


basic


acidic


acidic


basic


acidic


basic


(select)

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