What is the noble gas notation for lead

This question is about electrolysis. metal spoons can be coated with silver. this is called electroplating. suggest one reason why spoons are electroplated?

Choose all the answers that apply. as ocean depth increases, temperature decreases temperature increases pressure increases pressure decreases salinity increases density increases

If 1.8 l of water is added to 2.5l of a 7.0 m koh solution, what is the molarity of the new solution