How would you calculate the average atomic mass of element,X, if a sample of X is 22.50% x-37 and 77.50% x-35.?

1 Answer
Meave60
Apr 28, 2017

Average atomic mass=(0.2250×37)+(0.7750×35)=35.45

Explanation:

Convert the percentages to decimals by dividing by 100. Then multiply each one by its corresponding mass and add the results.

Average atomic mass=(0.2250×37)+(0.7750×35)=35.45

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