Which of the following has the same number of significant figures as the number

Question

Which of the following has the same number of significant figures as the number 1.00310? 8.66 100 199.791 1 times 10^6 5.119 Which one of the following molecular formulas is also an empirical formula? C_6H_6O_2 H_2O_2 C_6H_6 H_2O_4O_6 C_2H_6SO Which atom has the smallest number of neutrons? nitrogen-14 neon-20 oxygen-16 fluorine-19 carbon-14 Which of the following is a chemical property of gold? is malleable is a good conductor of heat is a good conductor of electricity does not react with hydrochloric acid Which one of the following is an intensive property? Mass temperature amount volume

Explanation / Answer

Emperical formula represents the smallest whole number ratio of constituent atoms where as molecular formula represents the exact number of constituent atoms. So,

(E) C2H6SO indicates both emperical and molecular formula.

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