Define how many grams of sodium formate nacho2

Assignment Help Chemistry

Reference no: EM13650245

How many grams of sodium formate, NaCHO2, would have to be dissolved in 1.2 L of 0.39 M formic acid (pKa 3.74) to make the solution a buffer for pH 3.71?

Reference no: EM13650245

Questions Cloud

Explain what are the concentrations of h2aso4 : What is the pH of a 0.31 M solution of arsenic acid, H3AsO4. In this solution, what are the concentrations of H2AsO4- and HAsO42-

Guitar string problem : A guitar string, 2.50 meters long has a mass of 0.458 grams. If a tension of 276N is put on the string, what will the speed of sound in the string be? When the guitar is strung, it is 0.576 m from the bridge to the last fret ( from node to node).

What is the minimum speed you must give the air : You try to remove olive oil from a glassby blowing across the top of a vertical straw immersed in theolive oil. What is the minimum speed you must give the air

Magnitude of the net force on arigid square loop of wire : Find the magnitude of the net force on arigid square loop of wire of side length l =6.36 cm. The center of the loop is 10.10 cm from the wire and theloop carries a current of 10.0 A.

Define how many grams of sodium formate nacho2 : How many grams of sodium formate, NaCHO2, would have to be dissolved in 1.2 L of 0.39 M formic acid (pKa 3.74) to make the solution a buffer for pH 3.71

What is the maximum speed of the oscillating block : A block whose mass m is 680 kg is fastened to a spring whosespring constant k is 65 N/m. What is the maximum speed of the oscillating block

The water skier is at an angle with respectto the center : The water skier is at an angle of 35o with respectto the center line of the boat, and is being pulled at a constantspeed of 14 m/s . If the tension in the tow rope is 90.0 N, (a) howmuch work does the rope do on the skier in 10.0 s?

Explain how much will the ph change if naoh is added : By how much will the pH change if 25.0 mL of 0.20 M NaOH is added to 0.500 L of a buffer that contains 0.15 M HC2H3O2 (Ka = 1.8 x 10-5) and 0.25 M C2H3O2-

Determine what is the diameter of the hole : The electron beam in a cathode-ray tube is accelerated through apotential difference of 290 V. What is the diameter of the hole

User Account

All Pages