Question

what is the mass of one mole of phosphorous (p) atoms? express your answer to four significant figures. the mass of 1 mole of phosphorous atoms is grams. type the correct answer in the box.

Explanation:

Step1: Recall molar - mass concept

The molar mass of an element (in g/mol) is numerically equal to its atomic mass (in u).

Step2: Find atomic mass of phosphorus

The atomic mass of phosphorus (P) from the periodic table is approximately 30.97 u. So, the mass of 1 mole of phosphorus atoms is 30.97 g.

Answer:

30.97