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Murljashka [212]
3 years ago
5

In 1782 a French chemist named ________ proposed a systematic nomenclature for naming chemical compounds.

Chemistry
2 answers:
vodomira [7]3 years ago
5 0

Answer:

Louis-Bernard Guyton De Morveau

Explanation:

He is who proposed the first systematic nomenclature for naming chemical compounds.

Ghella [55]3 years ago
4 0
Hdudbdhxjfnbdixndbejszijdbdhxndvdb
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What is the molarity of a 500.0 ml solution containing 0.75 moles of solute?
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Cho 4g CuO vào dung dịch axit clohidric 10% thì phản ứng vừa đủ.
Sholpan [36]

Answer:

Explanation:

a. CuO+ 2HCl⇒CuCl2+ H2O

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c. n_{HCl}=2× n_{CuO}=0,1 (mol)

⇒m_{HCl}= 0,1×36,5= 3,65 (g)

⇒m_{dd HCl}= \frac{m_{HCl}}{10}×100=36,5 (g)

⇒ Nồng độ phần trăm dd sau phản ứng= Nồng độ % dd CuCl2=\frac{m_{CuCl2} }{m_{dd HCl+ m_{CuO} } }×100=\frac{6,75}{36,5+4} ×100≈ 16,67%

8 0
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