Chemistry, 13.08.2021 06:20 brianabrady06
Câu 8. Hòa tan hoàn toàn 4,56 gam FeSO4 và 6,84 gam Al2(SO4)3 vào 50 gam dung dịch H2SO4 9,8%, thu
được dung dịch A. Cho 19,4 gam NaOH nguyên chất vào dung dịch A, thu được m gam kết tủa B và dung dịch
C. Tìm m
Answers: 3
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What are scientists who study fossils called? ( a ) astronomers. ( b ) biologists. ( c ) geologists. ( d ) paleontologists.
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Chemistry, 22.06.2019 22:30
The diagram shows the relationship between scientific disciplines.the names of some scientific disciplines have been removed from the boxes. which scientific discipline belongs in the blue box? a.physics b.biology c.chemistry d.metallurgy
Answers: 2
Câu 8. Hòa tan hoàn toàn 4,56 gam FeSO4 và 6,84 gam Al2(SO4)3 vào 50 gam dung dịch H2SO4 9,8%, thu...
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