Almost All of the Acidity of Soda Pop Comes from the Phosphoric

question 50

Multiple Choice

Almost all of the acidity of soda pop comes from the phosphoric acid which is added to give them a sharper flavor.Is there a relation between the pH of the soda and the amount of phosphoric acid (in grams) ? The pH and phosphoric acid content of 12 ounces of several brands of soda are shown on the following scatterplot.The correlation between pH and phosphoric acid is $$- 0.956$$ .Describe the association.

• A)Strong relation in a negative direction
• B)Weak linear relation in a negative direction
• C)Strong linear relation in a positive direction
• D)Very strong linear relation in a negative direction
• E)No evidence of relation

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Definitions:

Nerve Cells

Specialized cells that transmit electrical and chemical signals throughout the nervous system.

Synapses

The junctions between neurons through which nerve impulses pass, allowing for communication between the cells.

Neurotransmitters

Chemical messengers that transmit signals across a chemical synapse from one neuron (nerve cell) to another target neuron.

Action Potential

A temporary reversal of an electrically charged membrane potential in neurons or muscle cells, facilitating signal transmission.