In a chemical reaction, 31.1 moles of H2 gas are produced. How many moles of H3PO4 reacted?
2 Cr(s) + 2 H3PO4(aq) + 3 H2(g) + 2 CrPO4(s)
Your
Answer
units

Organic-

There are four major classes of biological macromolecules (carbohydrates, lipids, proteins, and nucleic acids); each is an important cell component and performs a wide array of functions.

Inorganic-

Water. perhaps most important and most abundant. molecule in the body; electrolytes (ions) molecules that tend to disperse in solution into charged atoms; gasses; carbohydrates.

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