42
45
126
180
Correct answer is D
Molecular formula = (empirical formula x n)
where n= (1,2,3,...)
\(CH_{2}O = 12 + (2\times 1) + 16 = 30\)
Relative molecular mass = (30 x n)
From the options, only 180 is a multiple of 30, when n=6.
Which of the following describes the chemical property of acids? ...
In the reaction E+F ↔ G+H, the backward reaction is favoured if the concentration of ...
The number of particles in one mole of a chemical compound is the ...
The acid anhydride that will produce weak acid in water is ...
Which of the following statements about a molar solution is correct? it ...
The curve depicts titration between a strong acid of pH ...
Which of the following pairs cannot be represented with a chemical formula? ...