4. Which of the following chemical families has the strongest tendency to gain electrons?
O a) Noble gases
O b) Alkali metals
O c) Transition metals
d) Halogens

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.

Asample of aluminum foil contains 8.60 × 1023 atoms. what is the mass of the foil?

Asolution contains 180 g of glucose (c6h12o6) and 162 g of water. what is the mole fraction of glucose?