Chemistry, 08.09.2021 17:20 Destinywall
Nếu có 40g dung dịch NaOH 20% phải dùng hết bao nhiêu gam dung dịch HCl 25% để trung hoà
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Which statement justifies that phosphine (ph3) is a polar molecule?
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Which of the following methods uses the decay of atomic particles in an object to find its exact age? a. fossil dating b. geologic dating c. radioactive dating d. relative dating
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Select each correct answer. more than one answer may be correct. which of the following is a characteristic of unicellular organisms? they can possess tissues and organs. all of their functions are performed by a single cell. they are usually microscopic. each of their cells is specialized to perform a specific function.
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How do i complete this electrolysis of water lab? i’m at home, so i don’t have the materials, and the lab didn’t properly work and was incomplete at school.
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Nếu có 40g dung dịch NaOH 20% phải dùng hết bao nhiêu gam dung dịch HCl 25% để trung hoà...
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