(a(i))[1]
In the equation, methanoic acid appears as the formula HCOOH. Name this type of formula.
(a(ii))[1]
Give the empirical formula of methanoic acid.
(b)[3]
Give the name of ester X and draw its displayed formula.
(c(i))[1]
State the meaning of closed system.
(c(ii))[2]
State two features of equilibrium.
(c(iii))[4]
Complete Table 4.1 to show the effect, if any, on the concentration of X at equilibrium for each change in condition.