# 4. A student added 25.00 grams of sodium nitrate to a 2.00 Litre volumetric flask. Whatis the molarity (M) of the resulting solution?5. A student mixed 20.00 grams of calcium nitrate, 10.00 grams of sodium nitrate, and50.00 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 0.800M calcium nitrate solution?

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Question 5

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Step 1

The molarity of nitrate ion can be calculated by first calculating the moles of nitrate present in the solution.

Calculating the number of moles of the calcium nitrate in 20 grams.

Step 2

Now the number of moles of sodium nitrate can be calculated as,

Step 3

The number of moles of aluminium nitrate (Al(NO3)...

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