3 years ago

What is the mass of 4.39 mol Na?

Chemistry

2 answers:

lorasvet [3.4K]3 years ago

5 0

Answer:

the mass of 4.30 mol Na is 98.9g

Explanation:

multiply the given moles of sodium by its molar mass

saul85 [17]3 years ago

5 0

Answer:

101 g Na

Explanation:

To convert between moles and grams, you have to use the molar mass of the substance. The molar mass of sodium is 22.99 g/mol. You use this as the unit converter.

$4.39molNa*\frac{22.99gNa}{1molNa} = 100.9261gNa$

Round the number to the lowest number of significant figures; 101 g Na.

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