Solve the problem please

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

Which of the following is an example of physical change not a chemical change? a) a log gives off heat and light as it burns. b) a tree stores energy from the sun in its fruit. c) a penny lost in the grass slowly changes color. d) a water pipe freezes and cracks on a cold night.

What are the constituent metals of stainless steel?