Calculate the number of moles of H2SO4 required to react with 66.33 moles of Al. Do not include units in your answer. Round to the tenths place or further.

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

The table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.

Match the mixture with the substance// i really need on this guys (it’s a pic btw)