3. Chemical Reactions

Which statement best describes the relationship between an empirical formula and a molecular formula?

What is the empirical formula for glucose?

Which of the following is an empirical formula?

Which of the following is the empirical formula for propene (C3H6)?

Which of the following molecular formulas is also an empirical formula?

Which pair of formulas represents the empirical formula and the molecular formula of a compound?

Pentose sugars have the molecular formula $C_5{H}_{10}{O}_5$. What is the empirical formula of pentose?

What is the simplest whole-number ratio of atoms in a molecule or formula unit called?

Which elements are present in the compound calcium carbonate (CaCO_3)?

A chloride of silicon contains 79.1% by mass of Cl. What is the empirical formula of this silicon chloride?

Which molecular formula is also an empirical formula?

Which term represents the simplest whole-number ratio of atoms of the elements in a compound?

What is the empirical formula of a compound that contains 27.0% S, 13.4% O, and 59.6% Cl by mass?

Which of the following shows the correct number of atoms of each element in the formula Mg(NO3)2?