The questions below refer to the following system:   Co(H…

The questions below refer to the following system:   Co(H2O)62+ + 4 Cl– CoCl42– + 6H2O     (pink)            (blue) When cobalt(II) chloride is added to pure water, the Co2+ ions hydrate. The hydrated form then reacts with the Cl– ions to set up the equilibrium shown here. Which statement below describes the change that the system will undergo if silver nitrate is added?

Eight-week old Mohamed presents for his 2-month well visit….

Eight-week old Mohamed presents for his 2-month well visit. Mom is worried about returning to work in a few weeks because Mohamed is still waking 2-3 times per night to feed. The mother asks when she can expect the baby to sleep through the night. Which of the following anticipatory guidance statements is BEST?