Which pair of words correctly completes this sentence?

camila a pamela, conoce de su vecindario.
conoce, lo
sabe, la
sabe, lo
conoce, la

Astudent requires 2.00 l of 0.100 m nh4no3 from a 1.75 m nh4no3 stock solution. what is the correct way to get thesolution? use m; v; = m.ve1o measure 114 ml of the 1.75 m solution, and dilute it to 1.00 l.measure 114 ml of the 1.75 m solution, and dilute it to 2.00 l.measure 8.75 ml of the 1.75 m solution, and dilute it to 2.00 l.o measure 8.75 ml of the 0.100 m solution, and dilute it to 2.00 l.