Edwin R.

If a formic acid in formate buffer is 0.023 M in formic acid and has a pH of 4.07, what is the molar concentration of the formate ion? The pKa of formic acid is 3.75.

The equation y = 3/4X + 1 represents a given line.. Write the equation for the line that passes through (3,4) and is perpendicular to the given line

reaction is spontaneous in the forward direction from standard conditions, which of the following are true? Which two that applyk>1Delta G >1Delta G<1k<1 k=0Delta G =0

Calculate the mass of the following: 8.5 x 10-2 mol calcium nitrate

A man drives a 343 kg jeep with a total velocity of 81.7 miles/h, what is the jeep's momentum? (1 mile = 1609 meters) Report your answer to 1 decimal point.

Determine the empirical formula of a compound with the following composition by mass: 48.0% C, 8.0% H, 28.0% N, and 16.0% O. If this compound has a molar mass of 200 g/mol, what is its molecular... more

The density of rubbing alcohol is 0.785 g/mL at 25oC. a.       Calculate the mass of 15.0 mL of the rubbing alcohol. b.       Calculate the volume of the 15.0 g of the rubbing alcohol. more