Select the correct answer. what is the mass of 1.72 moles of sodium nitrate? use the periodic table and the polyatomic ion resource. a. 85.0 g b. 91.2 g c. 146 g d. 273 g

C.   146 g

Explanation:

To calculate the moles, we use the equation:

Thus    

For sodium nitrate

moles = 1.72

Molar mass of sodium nitrate  = 85g/mol

Putting values in above equation, we get:

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b.false that your answer