Chemistry, 24.08.2021 05:00 michaelFTP
Pha 1000ml dung dịch natri hydroxyd xấp xỉ 0.1N. Xác định độ chuẩn bằng 10ml dung dịch acid hydroclorid 0.1N có K =0.950 hết 11.00ml dung dịch natri hydroxyd vừa pha
a)tính hệ số hiệu chỉnh K của dung dịch natri hydroxyd
b)tính toán để điều chỉnh nồng độ 990ml dung dịch natri hydroxyd
Answers: 3
Chemistry, 22.06.2019 05:20, barry14201
Identify and describe the three ways that mutations affect organisms.
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This flow chart shows the amount of energy that is emitted by each type of light. ultraviolet > blue light > yellow light > red light (maximum energy) (minimum energy) in an experiment, shining which type of light on a strip of metal would be least likely to produce the photoelectric effect? ultraviolet light dim blue light bright red light bright yellow light
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Covalent bonds generally form when the bonded elements have a difference in electronegativity less than 1.5. subtract the electronegativities for the following pairs of elements and predict whether they form a covalent bond. electronegativity difference of c and c: ionic covalent electronegativity difference of mg and cl: ionic covalent
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Pha 1000ml dung dịch natri hydroxyd xấp xỉ 0.1N. Xác định độ chuẩn bằng 10ml dung dịch acid hydroclo...
Mathematics, 28.04.2021 19:50
Mathematics, 28.04.2021 19:50