How many moles are 5.21 grams of palladium

Which term refers to a property that depends only on the amount of a substance? ©@

12. calculate the hydroxide ion concentration of a solution with ph = 3.25. show all calculations leading to an answer

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