5. When NaCl dissolves in water, which of the following is true? a. the sodium ions are surrounded by positively charged ends of the water molecules, which are the oxygen ends

b. the sodium ions are surrounded by positively charged ends of the water molecules, which are the hydrogen ends

c. the sodium ions are surrounded by negatively charged ends of the water molecules, which are the oxygen ends

d. the sodium ions are surrounded by negatively charged ends of the water molecules, which are the hydrogen ends