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How many grams of Al2O3 can be formed when a mixture of 6.9 g of aluminum and 12.8 g of oxygen is ignited? Which substance is in excess and how many grams is in excess?
a) If 14.6 mL of HNO3 reacts with 25.0 mL of 0.750 M Ca(OH)2, what is the molarity of the HNO3 solution? b) What volume of 0.300 M Ca(OH)2 is required to react with 250.0 mL of 0.500 M HNO3?