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A Solution Is Prepared by Dissolving 24

question 149

Multiple Choice

A solution is prepared by dissolving 24.7 g of KBr in 375 g water at 20.0 °C.What is the molarity (M) of KBr in this solution? Density of the solution at 20.0 °C is 0.998 g/mL.


Definitions:

Pyruvate Ion

The ionized form of pyruvic acid, an important intermediate in several metabolic pathways, including glycolysis.

Lactate Ion

The lactate ion is a negatively charged molecule (anion) produced by the loss of a hydrogen atom from lactic acid, commonly formed during anaerobic respiration.

Lactic Acid

A natural organic acid present in milk and produced in the muscles during intense activity.

Blood Ph

A measure of the acidity or alkalinity of the blood, typically maintaining around 7.35 to 7.45, making it slightly basic.

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