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GuDViN [60]
3 years ago
9

Is a strong acid a. NaC₂H₃O₂ b. HC₂H₃O₂ c. KCl d. NH₃ e. HCl

Chemistry
1 answer:
sammy [17]3 years ago
7 0
E. HCI

Source:
The Internet
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3 years ago
How many molecules are there in 560 grams of CoCl2?​
Marrrta [24]

Answer:

25.89  × 10²³ molecules

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Number of moles = 560 g/ 129.84 g/mol

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Avogadro number:

The given problem will solve by using Avogadro number.

It is the number of atoms , ions and molecules in one gram atom of element, one gram molecules of compound and one gram ions of a substance.  The number 6.022 × 10²³ is called Avogadro number.

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25.89  × 10²³ molecules

5 0
3 years ago
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