The empirical formula of a molecule is BH3. The molar mass of the molecular formula is 27.7 g/mol. What is the molecular formula?
A.) ОВН
B.) B₂H6
C.) BoH₂
D.) OB2H3

Which statement best describes the oxidation numbers of the atoms found in magnesium chloride? a. magnesium has a 2- oxidation number and chlorine has a 1+ oxidation number. b. magnesium has a 2- oxidation number and chlorine has a 2+ oxidation number. c. magnesium has a 2+ oxidation number and chlorine has a 1- oxidation number. d. magnesium has a 1+ oxidation number and chlorine has a 1- oxidation number.

In numbering carbon atoms in the parent chain of a hydrocarbon, why would you number from right to left, rather than left to right

In the reaction between a crushed antacid tablet and vinegar what gas is emitted