An element has two naturally occurring isotopes. Isotope 1 has a mass of 184.9530 amuamu and a relative abundance of 37.4 %%, and isotope 2 has a mass of 186.9558 amuamu. Find the atomic mass of this element. Express your answer using four significant figures.

Question

An element has two naturally occurring isotopes. Isotope 1 has a mass of 184.9530 amuamu and a relative abundance of 37.4 %%, and isotope 2 has a mass of 186.9558 amuamu.

Find the atomic mass of this element.
Express your answer using four significant figures.

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