Question

A scientist in a chemistry lab wants to make salt of pH 5.5 using acid and base. HCl, NaOH, H2CO3, NH4OH and CH3COOH Which of the acids and bases he should use for the reaction?​

Answer 1

Answer:

HCL and NH4OH

Explanation: ALWAYS KNOW THAT A STRONG THING WILL  WIN.

HERE PH=5.5 = ACIDIC

THEREFORE WE NEED A STRONG ACID AND A STRONG BASE

HCL IS THE STRONG ACID

NH4OH IS THE WEAK BASE

STRONG ACID+WEAK BASE= ACIDIC SALT

Answer 2

Answer:

pH 5.5 acid should be used in (C) $HCL$ and $NH_{4}OH$reactions.

Explanation:

Given: A chemistry lab scientist wants to make a salt of pH 5.5 using acid and base.

To find:  Which of the acids and bases he should use for the reaction

HCL is the stronger Acid weak base value.

The HCL Acid is base value in less then pH 7.So that is the stronger acid and react this equation.

$NH_{4}OH$ is the Stronger Acid and weak base value pH value is 5.5 which is the acidic.

Because of use in the chemistry lab in present the acids in acid in HCL and $NH_{4}OH$

• Any hydrogen-containing material that can donate a proton (hydrogen ion) to another chemical is considered an acid. A base is a molecule or ion that can take up an acid's hydrogen ion. Typically, sour tastes help to identify acidic chemicals.
• Any material that is slippery to the touch, tastes unpleasant, alters the colour of indicators (such as turning red litmus paper blue), combines with acids to generate salts, and facilitates certain chemical processes is considered a base in chemistry (base catalysis)

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