10 points and brainliest for free

Which word makes the most sense in this dialogue? —? siempre encuentran ustedes el sitio web en el internet? —sí, siempre el sitio web en el internet.

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.

This is very confusing, can someone me? picture above!