Chemistry, 10.09.2021 06:10 marialuis2732
Hòa tan 10,4g hỗn hợp Mg , CuO bằng dung dịch H2SO4 vừa đủ thử được 2,24 (L) H2 (đktc)
a) viết phương trình phản ứng
b) tính khối lượng mỗi chất trong hỗn hợp ban đầu
Answers: 2
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0.2348 grams of pbcl2 used to form 44.0 ml of solution.
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Aglow stick contains a glass vial with chemicals. when the glow stick is bent, the vial breaks and the chemicals react to produce a glow. a science student observes that a glow stick kept in the freezer glows for a longer duration than a glow stick kept at room temperature. what conclusion can be drawn based on the observation? be sure to note the outcome and test variables in the conclusion.
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Hòa tan 10,4g hỗn hợp Mg , CuO bằng dung dịch H2SO4 vừa đủ thử được 2,24 (L) H2 (đktc)
a) viết phư...
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