Define what is the ph of the mixture of weak acids

Reference no: EM13528501

The following question refers to a solution that contains 1.79 M hydrofluric acid, HF (Ka = 7.2 x 10^-2) and 3.00 M hydrocyanic acid, HCN (Ka = 6.2 x 10^-10). What is the pH of this mixture of weak acids?

A) 8.95

B) 1.44

C) 12.56

D) 4.48

E) 2.89

Reference no: EM13528501

Questions Cloud

Find what is the temperature at the midpoint : A cylindrical copper rod and an iron rod with exactly the same dimensions are welded together end to end. What is the temperature at the midpoint where the rods are joined together

Prepare in income statement for computer game retailer : Prepare in income statement for the company for the month - computer game retailer,

Calculate the speed of the mailbag : A small mailbag is released from a helicopter that is descending steadily at 1.58 m/s. After 4.00 s, what is the speed of the mailbag

Explain the combustion of c2h6 releases 259 kj of heat : At constant pressure, the combustion of C2H6 releases 259 kJ of heat. Find delta H for the rxn: 2 C2H6 (g) + 7O2 (g) -> 4CO2 (g) + 6H20(l)

Define what is the ph of the mixture of weak acids : The following question refers to a solution that contains 1.79 M hydrofluric acid, HF (Ka = 7.2 x 10^-2) and 3.00 M hydrocyanic acid, HCN (Ka = 6.2 x 10^-10). What is the pH of this mixture of weak acids

Calculate the cost of goods sold for last year : Jasper Company provided the information for last year - Calculate the cost of goods sold for last year

Find the rocks velocity as it hits the bottom of the hole : A rock is tossed straight up with a speed of 24 m/s. When it returns, it falls into a hole 13 m deep. find the rock's velocity as it hits the bottom of the hole

Explain temperature is the molar volume of an ideal gas : At what temperature is the molar volume of an ideal gas equal to 22.4L, if the pressure of the gas is 2.5 atm

Obtain the dielectric constant of the dielectric : A parallel plate capacitor has a capacitance of 9.4 ?F when filled with a dielectric. What is the dielectric constant of the dielectric

User Account

All Pages