The table, solve please Aah

Atank contains 240 liters of fluid in which 10 grams of salt is dissolved. brine containing 1 gram of salt per liter is then pumped into the tank at a rate of 6 l/min; the well-mixed solution is pumped out at the same rate. find the number a(t) of grams of salt in the tank at time t.

What is a property of a double replacement reaction

Provide a stepwise curved arrow mechanism that fully explains the outcome of the reaction shown below. oh нао* heat он