A 255 ML Aliquot of HCl (Aq) of Unknown Concentration Was

question 77

Multiple Choice

A 25.5 mL aliquot of HCl (aq) of unknown concentration was titrated with 0.113 M NaOH (aq) . It took 51.2 mL of the base to reach the endpoint of the titration. The concentration (M) of the acid was .

• A) 1.02
• B) 0.113
• C) 0.454
• D) 0.114
• E) 0.227

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Definitions:

Igneous Rock

A kind of stone that develops through the process of magma or lava cooling and hardening.

Finely Crystalline

Describes a texture of rocks or minerals with very small crystals that are often too small to be seen unaided, indicating rapid cooling or chemical precipitation.

Glassy Texture

A description of igneous rocks that cooled quickly from molten material, resulting in a non-crystalline or vitreous appearance.

Pyroclastic Eruption

A volcanic eruption involving the explosive ejection of hot ash, lava fragments, and gases.