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Chemistry

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Rhoda Torphy

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Cards in this guide (9)
What does percent composition tell you about a molecule

It tells you how much of a molecule is made up of each element. - APEX

How does one determine a percent composition from an empirical formula

divide the total mass of the element by the mass of the compound and multiply by 100%

What is the empirical formula for a molecule containing 46.8 percent si and 53.2 percent o

The empirical formula for a molecule containing 46.8 percent si and 53.2 percent o is in the middle of the two. These added together and divided by two will net the average result.

What best describes a bond formed between two unlike atoms

The type of bond is determined by the difference in electrongativity of atoms

What does it mean if something is insoluble

It will not dissolve in water.

What is another way of writing 3.78 x 105

Another way of writing 3.78x105 is 396.9.

What represents the mass of 1 molecule of sh2

34.1 amu

so3 is an empirical formula for which of the following A. so4B.s2o6C.s4o2D.s2o3

B. s2o6

what are the units of molar mass

g/mol

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