What is the mass in grams of 0.0135 mol of the element sodium, na?

Mass of sodium is 0.1305 g.

Explanation:

Given data:

Number of moles of sodium = 0.0135 mol

Molar mass of sodium = 23 g /mol

Mass of sodium = ?

Solution:

Formula:

Number moles = mass / molar mass

Mass = number of moles × molar mass

Mass = 0.0135 mol × 23 g/mol

Mass = 0.3105 g

the answer is definitely c.