How many moles of oxygen are present in 16 g of oxygen gas​

Which statement correctly describes potassium iodide, ki? there is a one-to-one ratio of potassium ions to iodide ions. potassium gains electrons and iodine loses electrons during the reaction. the lattice is held together by potassium anions and iodide cations.

What is the compound name for the formula [ru(en)2cl2]2+ and [co(en)cl2br]-

Are oil and water a mixture or solution