Rubidium (Rb) has two isotopes. Using the data in the table below, calculate the relative atomic mass of Rb. Give your answer to 3 significant figures.

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asked Dec 24, 2022 138k views

4 votes

Rubidium (Rb) has two isotopes. Using the data in the table below,

calculate the relative atomic mass of Rb. Give your answer to 3 significant
figures.

Rubidium (Rb) has two isotopes. Using the data in the table below, calculate the relative-example-1

Chemistry
high-school

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by CAFEBABE

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1 Answer

3 votes

Answer:

85.6

Step-by-step explanation:

(72 x 85) + (28 x 87)

-----------------------------

100

= 85.56

= 85.6 (3 s.f.)

Going answered Dec 30, 2022

by Going

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