QuestionJuly 2, 2025

Which statement describes the action of a buffer composed of sodium hydrogen phosphate, Na_(2)HPO_(4) and sodium dihydrogen phosphate, NaH_(2)PO_(4) Both components, sodium dihydrogen phosphate and sodium hydrogen phosphate, neutralize added acid. Sodium hydrogen phosphate neutralizes added base, and sodium dihydrogen phosphate neutralizes added acid. Both components, sodium dihydrogen phosphate and sodium hydrogen phosphate, neutralize added base. Sodium dihydrogen phosphate neutralizes added base, and sodium hydrogen phosphate neutralizes added acid.

Which statement describes the action of a buffer composed of sodium hydrogen phosphate, Na_(2)HPO_(4) and sodium dihydrogen phosphate, NaH_(2)PO_(4) Both components, sodium dihydrogen phosphate and sodium hydrogen phosphate, neutralize added acid. Sodium hydrogen phosphate neutralizes added base, and sodium dihydrogen phosphate neutralizes added acid. Both components, sodium dihydrogen phosphate and sodium hydrogen phosphate, neutralize added base. Sodium dihydrogen phosphate neutralizes added base, and sodium hydrogen phosphate neutralizes added acid.
Which statement describes the action of a buffer composed of sodium hydrogen phosphate, Na_(2)HPO_(4) and sodium
dihydrogen phosphate, NaH_(2)PO_(4)
Both components, sodium dihydrogen phosphate and sodium hydrogen phosphate, neutralize added acid.
Sodium hydrogen phosphate neutralizes added base, and sodium dihydrogen phosphate neutralizes added acid.
Both components, sodium dihydrogen phosphate and sodium hydrogen phosphate, neutralize added base.
Sodium dihydrogen phosphate neutralizes added base, and sodium hydrogen phosphate neutralizes added acid.

Solution
4.6(180 votes)

Answer

Sodium hydrogen phosphate neutralizes added base, and sodium dihydrogen phosphate neutralizes added acid. Explanation 1. Identify Buffer Components Sodium dihydrogen phosphate (NaH_{2}PO_{4}) acts as an acid, and sodium hydrogen phosphate (Na_{2}HPO_{4}) acts as a base. 2. Determine Neutralization Actions NaH_{2}PO_{4} neutralizes added base by donating a proton (H+), while Na_{2}HPO_{4} neutralizes added acid by accepting a proton.

Explanation

1. Identify Buffer Components<br /> Sodium dihydrogen phosphate ($NaH_{2}PO_{4}$) acts as an acid, and sodium hydrogen phosphate ($Na_{2}HPO_{4}$) acts as a base.<br /><br />2. Determine Neutralization Actions<br /> $NaH_{2}PO_{4}$ neutralizes added base by donating a proton (H+), while $Na_{2}HPO_{4}$ neutralizes added acid by accepting a proton.
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