The equation for the ph of a substance is ph = –log[h+], where h+ is the concentration of hydrogen ions. which equation models the concentration of hydrogen ions (h+) of a solution whose ph is 7.2?
a. [h+] = log7.2
b. [h+] = -log7.2
c. [h+] = 10^-7.2
d.[h+] = 10^7.2

PH is a parameter that tests the acidity or basicity of a substance or a solution. In this case, the formula to be followed is pH = –log[H+]. To get the H+ concentration from the pH, we manipulate the equation by raising both sides by the base of 10. Thus, 10^ -pH = H+. with pH of 7.2, thus the answer to this problem is C[H+] = 10^-7.2

Selling price = rs 306

Step-by-step explanation:

Loss = cp - sp

54 = 360 - sp

Sp = 360-54 = rs 306