Question

The ratio of the mass of C-12 atom to that of an atom of element X (whose atomicity is four) is
1:9. The molecular mass of element X is ?​

Answer 1

Answer:

The molecular weight will be 432g.

Explanation:

Mass of 1 mole of C-12 atom = 12g

Mass of one mole of 'X' atom = 9*12g

                                                 = 108g

Given , the atomicity  of 'X'-4

Thus, one molecule will contain 4'X' atoms

Hence , the mass of one mole of the compound will be = 4*108

                                                                                            = 432g

This is the required molar weight.

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