The chemical formula for magnesium oxide is Mg O . A chemist measured the amount of magnesium oxide produced during an experiment. She finds that 98.0 g of magnesium oxide is produced. Calculate the number of moles of magnesium oxide produced. Be sure your answer has the correct number of significant digits.

Draw the aromatic compound toluene (methylbenzene). show all hydrogen atoms, including those on the ring.

If there are 3.5 moles of koh, how many moles of naoh can be produced? question 1 options: a)3.0 moles naoh b)3.5 moles naoh c)1 moles naoh d)9 moles naoh

Which of the following statements is true about energy quantization at the atomic level? electrons in the outermost orbits are the most stable. electrons in all the orbits around the nucleus have the same amount of energy. electrons in the orbit closest to the nucleus have the least amount of energy. electrons absorb or release the same amount of energy independent of the energy levels.