Amedium-sized carrot weighs 64 g and contains 7.0 g of carbohydrate.
what percent, by mass, of the carrot is carbohydrate? express your answer using two significant figures.

This chart lists four kinds of polymers and their sources. what can be known about all four polymers, despite their differences? they come from living things. they share ionic carbon bonds. they are at least 100 monomers long. they are made of repeating subunits.

What is the molar mass of the anhydrous compound? answer using four significant figures. 36.02 g/mol 120.15 g/mol 156.12 g/mol

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