4. A student added 25.00 grams of sodium nitrate to a 2.00 Litre volumetric flask. What is the molarity (M) of the resulting solution? 5. A student mixed 20.00 grams of calcium nitrate, 10.00 grams of sodium nitrate, and 50.00 grams of aluminum nitrate in a 5.00 Litre volumetric flask. What is the molarity (M) of the resulting solution relative to the nitrate ion, NO31-? 6. How many grams of phosphoric acid are required to react with 50.00 mL of a 0.800 M calcium nitrate solution?

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