How Many Grams of Nitrogen Are There in 7

question 28

Multiple Choice

How many grams of nitrogen are there in 7.5 g of Ca(NO₃) ₂

• A) 0.64 g
• B) 1.3 g
• C) 0.15 g
• D) 1.2 g
• E) 2.3 g

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Definitions:

Potassium

A chemical element with symbol K, essential for various bodily functions including heart rate and muscle function.

Calcium

A mineral essential for healthy bones, teeth, muscle function, and nerve signaling.

Bicarbonate

A chemical compound that acts as a buffer to maintain the acid-base balance in the blood and other fluids in the body.

Major Buffer

An agent or mechanism that helps reduce or counteract the impact of stress or change in a system or environment.