HOLY MOLE-Y! 6.02 x 1023 atoms or molecules = 1 mole Answer each of the following questions using dimensional analysis. Show your work. Remember significant figures! Mole → gram conversions 1.) How many moles are contained in 102.0 g of water (H2O) ? 2.) How many moles are in 15.0 g of Fe(NO3)3 ? 3.) Calculate the mass in grams of 4.23 moles of carbon. Mole → atom/molecule/formula unit conversions 4.) How many atoms of lithium are contained in 6.22 moles of lithium? 5.) How many molecules are in 0.00130 moles of SO3 ? 6.) How many moles are contained in 9.20 x 1029 formula units of Al(NO3)3 ? Grams → atoms/molecules/formula units 7.) How many atoms are equivalent to 4.25 g of beryllium? 8.) How many grams are in 4.29 x 1023 formula units of KBr? All Mixed Up 9.) How many atoms are in 2.45 moles of aluminum? 10.) How many formula units are in 37.75 g of NaOH? 11.) How many moles are in 2.1115 x 1030 formula units of AgCl? 12.) What is the mass in grams of 8.87 x 1022 atoms of Neon gas?