Part A strontium Express your answer as a numerical value with a sign for the charge. Submit Request Answer

Calculate the molar mass of aluminum oxide (al2o3). express your answer to four significant figures.

Which buffer would be better able to hold a steady ph on the addition of strong acid, buffer 1 or buffer 2? explain. buffer 1: a solution containing 0.10 m nh4cl and 1 m nh3. buffer 2: a solution containing 1 m nh4cl and 0.10 m nh3

Can anyone answer these questions? ? i need it before 1: 00pm today