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    Determine the percent composition from a molecular formula

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    Calculate the percent composition of HNO3 by mass.

    © BrainMass Inc. brainmass.com March 6, 2023, 1:20 pm ad1c9bdddf

    Solution Preview

    Percent Composition: Determine the percent composition of a compound when given its molecular formula.

    Calculate the percent ...

    Solution Summary

    Provides a step-by-step solution that can be generalized to any similar question for determining the percent composition of a compound. In this specific case, it shows how to work through the calculations for nitric acid, HNO3.