What is the molarity of a solution made by adding 1.565 moles of PbNO3 to 0.500L?

Which activity is an innate behavior

Polar bears give birth and hunt on sea ice. which of the following would polar bears survive during the melting of arctic ice? growing another layer of fur during summer migrate inland to search for different food sources staying put until the ice refreezes sticking to the usual diet of seals

What is the chemical formula for a compound between li and br? libr li2br libr2 libr3