Please help! this is due today :) will mark brainliest how many grams of aluminum are in 100 g of al2o3, show work if you can please

For each of the following mixtures decide if filtering would be suitable to separate the substances. explain your answers. oil in water sugar in water sand in water chalk in water tea leaves in a cup of tea

The atomic number, or number, is the described as the number of in the nucleus of an chemical element.

Which of the following represents the ester functional group? a. -coo- b. -cho c. -cooh d. c=o