Correct answer only ! which of the following words is masculine? a. el libro b. la mochila c. la clase d. la silla

Alex: ¿puedes darme tus libros, por favor? lupe: por supuesto, a. tenganlos b. tienelo c. tenlos d. tenganlas

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.

Correct answer only ! ¿quién cerró la puerta que (estar) abierta?