Answer:
The law of constant composition states that the proportions of the elements in a compound are always the same, no matter how the compound is made.
PH = -log[H+] therefore lower pHs contain more H+ ions, so Jack's soup contains more free H+. Since pH is a logarithmic scale and Jack's soup has a pH of 2 less than Charlie's, it contains 10^2 = 100 times more H+ ions.
Answer:
c. friction between two charged particles
Explanation:
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[H+] = 0.030 + 0.085 = 0.115M
pH = -log(0.115) <<< use a calculator
pOH = 14 - pH <<< just subtract
pH(HCl) = 1.5 => pOH = 12.5
pH(HBr) = 1.1 => pOH = 12.9