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Serena Jeyaraj

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  • Serena Jeyaraj created a post,

    HighSchool Chemistry help

    The video on average atomic mass did not prepare me for the exercise Apply: Calculating average atomic mass. It did not explain how to calculate instead the video was twice as long as previous vide...

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  • Serena Jeyaraj commented,

    The video on average atomic mass did not prepare me for the exercise Apply: Calculating average atomic mass. It did not explain how to calculate instead the video was twice as long as previous vide...

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