How many liters of 0.10 M BaCl2 would be required to get 0.02 mol of BaCl2?

What is the number of atoms in 3.54 mol s

How does the viscosity of magma change as magma cools?

The solid xy decomposes into gaseous x and y: xy(s) m x(g) + y(g) kp = 4.1 (at 0 °c) if the reaction is carried out in a 22.4 l container, which initial amounts of x and y will result in the formation of solid xy?