A 500.0 mL lead (ii) nitrate solution contains 15.5 g lead (ii) nitrate. What is the concentration of lead ions?

The drawing represents the movement of particles in a substance. what changes of state can this substance undergo

Which is a chemical property of iron? a. it forms iron oxide (rust) when exposed to moisture and air. b. it is a gray–black metal that is hard to the touch. c. it has a melting point of 2795°f (1536°c). d. it is a good conductor of heat

0.2348 grams of pbcl2 used to form 44.0 ml of solution.