Question

Hey whats it mean by " ratio by mass " ?

Answer 1

Answer:

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Explanation:

In chemistry, mass ratio, often called "percent composition by mass," is the proportion of a particular molecule that consists of each that molecule's constituent elements. ... Calculating mass ratios is easy enough if you have access to a periodic table (see Resources) and the means to do basic algebra.

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Answer 2

Answer:

It means how much mass a compound consists of its individual elements per unit mass of the compound.

Explanation:

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