A company uses chlorine to produce titanium chloride from titanium dioxide. What is the relative formula mass (Mr) of titanium dioxide, TiO2?
Relative atomic masses (Ar): O = 16 Ti = 48 *

80 g/mol

Explanation:

The Relative formular mass is the sum of the relative atomic masses of the elements present in the molecule.

TiO2;

There is one Ti atom and 2 O atom. Their atomic masses is given as;

TiO2 = 48 + 2(16) = 48  + 32 = 80 g/mol

in 1783 cavendish was working with his hydrogen gas and found that when he burned it and condensed the vapor it was water. this was very significant since it disproved the greek theory of elements completely since water was not a simple substance but the product of two gases. it was lavoisier who hearing of the experiment gave cavendish's gas the name hydrogen ("water-producer") and added that hydrogen burned by combining with oxygen and that water was a hydrogen-oxygen combination.

explanation:

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