Determining the empirical and molecular formula for chyrsotile asbestos. chyrsotile has the following percent composition:
28.03% mg, 21.60% si, 1.16% h and 49.21% o. the molar mass of chyrsotile is 520.8 g/mol.

The molecular formula of chyrsotile asbestos :

The empirical formula for chyrsotile asbestos :

Explanation:

The molar mass of chyrsotile = M= 520.8 g/mol.

Let the molecular formula of chyrsotile be

Percentage of Mg = 28.03%

Percentage of Si =21.60%

Percentage of H=1.16%

Percentage of O = 49.21%

Percentage of an element in a compound:

1) Magnesium atom with mass 24 g/mol.

w = 6.0

2) Silicon atom with mass 28 g/mol.

x = 4.0

3) Hydrogen atom with mass 1 g/mol.

y = 6.0

4) Oxygen atom with mass 28 g/mol.

z = 16.0

The molecular formula of chyrsotile asbestos :

Empirical is the lowest ratio of numbers of different atoms present in a compound.

The empirical formula for chyrsotile asbestos :

you did not give any options thus this is the best answer i can give to you with this little information you have given

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50.23 i believe is correct but don't quote me on that.