A lab group made a copper amine stock solution with a concentration of 0.02 M. A group member transfers 9.27 mL of this solution to a 25 mL volumetric flask and dilutes to the line with water. What is the concentration of the resulting solution?

Calculate the number of molecules present in 0.750 mol of mgo.

What effect does a decrease in temperature have on the overall rate of a chemical reaction? a decrease in temperature decreases . the reaction rate will

Americium-241 undergoes fission to produce three neutrons per fission event. if a neutron-absorbing material is mixed in with this sample so that the rate of neutron production drops down to 1.8 neutrons per fission event, which will be effective at achieving a critical mass? check all that apply. remove a deflective shield surrounding the sample. remove absorbent material mixed in with the sample. compress the sample of americium-241.