QUESTION 10 Calculate the degree of ionization, \(\alpha\), of \(1.0 \times 10^{-2} \text{ mol/L}\) acetic acid, \(\ce{CH3COOH}\). The ionization...

QUESTION 09 The solubilities of copper (II) sulfate, \(\ce{CuSO4}\), in water are 20 at 293 K,...

QUESTION 08 The density of 17.0% sulfuric acid, \(\ce{H2SO4}\), is 1.12 g/mL. Calculate the molar concentration of the sulfuric...

QUESTION 07 The volume percentage of hydrogen, \(\ce{H2}\), gas is 30% in a mixture of hydrogen gas and methane,...

QUESTION 06 Which of the following compounds has the maximum mass percentage of carbon in the compound? \(\ce{CH3CHO}\) \(\ce{C2H5OH}\)...

QUESTION 05 Which of the following oxides is an amphoteric oxide? \(\ce{NO2}\) \(\ce{CO2}\) \(\ce{Na2O}\) \(\ce{CaO}\) \(\ce{ZnO}\) 🔍 Solution \begin{equation*}...

QUESTION 04 Which of the following molecules has the most lone pair electrons? \(\ce{CH3OH}\) \(\ce{C2H4}\) \(\ce{NH3}\) \(\ce{CO2}\) \(\ce{HCl}\) 🔍...

QUESTION 03 Which of the following atoms has the most valence electrons? N S Na Si F 🔍 Solution...

QUESTION 02 Which of the following elements has the smallest electronegativity? K Cl Zn Li O 🔍 Solution \begin{equation*}...

QUESTION 01 Which of the following elements is not a noble gas? Ne Ar Br Kr Xe 🔍 Solution...