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CAN YOU PLEASE EXPLAIN HOW TO DETERMINE METHOD I SHOULD USE TO FIND THE PH IN...

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Chemistry

CAN YOU PLEASE EXPLAIN HOW TO DETERMINE METHOD I SHOULD USE TOFIND THE PH IN SUCH PROBLEMS. WHAT RULES SHOULD I FOLLOW OR THINKOF TO DETERMINE SUCH QUESTIONS. (STRONG ACID, STRONG BASE, BUFFER1, BUFFER 2, WEAK ACID, WEAK BASE ETC)

PLEASE: dont solve if you dont explain briefly, and explain tome how I can determine it by myself.

The acid H2A has Ka1 = 2.00 ∙ 10-5 and Ka2 = 5.00 ∙ 10-9. Wehave a buffer consisting of 0.0300 moles of HA– and 0.0100 moles ofA2– and adds 0.0500 moles of H3O +. What kind of system do we haveand how to calculate the pH? Buffer 1 = H2A / HA– Buffer 2 = HA– /A2–

Answer & Explanation Solved by verified expert
4.4 Ratings (842 Votes)
Strong acid dissociate completely so concentration ofHion is same as concentration of acid eg HCl    See Answer
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