Chemistry, asked by samalmukhli, 9 months ago

Lithium is composed of 92.5% of atoms with mass number 7 and 7.5% of atoms with mass number 6. Calculate the relative atomic mass of lithium. please be fast.

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Answered by kulkarninishant346

0

Answer:

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Answered by reemahassan08

0

Answer: 6.9

Explanation: (92.5 x 7) + (7.5 x 6) / 100 = 6.925. Rounded to 2 sig fig = 6.9

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