Chemistry, 02.02.2021 04:50 pupucitomarron
Please help! 30 points!! You found a piece of sidewalk chalk with a mass of 15.8 grams and used it to draw on the sidewalk, so that the mass of the piece of chalk decreased to 2.1 grams. How many molecules of chalk did you leave outside on the sidewalk? (Chalk is CaCO3.)
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Please help! 30 points!!
You found a piece of sidewalk chalk with a mass of 15.8 grams and used it...
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