Chemistry, 05.12.2019 23:31, bry7474

Maria is baking cookies. she mixes water, flour, sugar, baking powder, butter and chocolate chips and then measures the mass of her ingredients. the mixture has a mass of 1053 grams. maria baked the cookies for 15 minutes and then measured the mass of the cookies and found they now had a mass of 845 grams. why didn't the cookies obey the law of conservation of mass?
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Maria is baking cookies. she mixes water, flour, sugar, baking powder, butter and chocolate chips an...