3 years ago

PLEASE HURRRYYYY

1 answer:

3 0

Answer:

HCO₂H

Explanation:

A buffer is defined as the mixture between a weak acid and its conjugate base, or vice versa, in an aqueous solution.

The HCO₂Na (Sodium formate), is the conjugate base of formic acid, HCO₂H, a weak acid of pKa = 3.75.

Thus, to make a buffer using HCO₂Na, the other substance the buffer should contain is HCO₂H

You might be interested in

Fynjy0 [20]

Answer:

New Moon, First Quarter, Full Moon, Last Quarter, Waxing Crescent, Waxing Gibbous, Waning Gibbous, and Waning Crescent.

8 0

3 years ago

Vaselesa [24]

Answer: The moon

Explanation: hope this helps.

3 0

3 years ago

vitfil [10]

Answer:

Electrons are trapped inside the atom because of the attraction forces with positively charged protons that are found in the nucleus.

8 0

3 years ago

bazaltina [42]

Ethanol is: flammable, liquid at room temperature, the boiling point is 78.37 ° C.

7 0

3 years ago

maxonik [38]

Answer:

the direction of the object

Explanation:

4 0

3 years ago