Electrons are equal to the number of in a neutral atom.

what is the missing word? i don't have any choices.

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 the maximum amount of al2(so4)3 which could be formed from 15.84 g of al and 12.89 g of cuso4?

Calculate the mass of silver needed to react with chlorine to produce 126g if silver chloride?