Answer
387.31 g/mol
Work Step by Step
We add up the molar mass of each element to have:
$(12.01 g/mol)(12) + (1.01g/mol)(24) + (14.01 g/mol)(9) +(3)(30.97 g/mol) = 387.31 g/mol$
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.