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BartSMP [9]
3 years ago
5

Could someone please tell show me steps to solve this, I am so confused.

Chemistry
1 answer:
jonny [76]3 years ago
6 0

And this is y I should of paid attention in that one science class in middle school that taught this...

( ̄▽ ̄;)

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Answer:

A. Move the buret clamp to a ring stand with a larger base.

Explanation:

The ring stands are used to hold burettes, light in weight to avoid loss of stability, that is why it is necessary to change the size of the ring stand so that it can support the buret that we are going to use.  It is not recommended to balance it with the hand since it would give us an inaccurate result in the titration.

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How many molecules are there in 560 grams of CoCl2?​
Marrrta [24]

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25.89  × 10²³ molecules

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Number of molecules present = ?

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Number of moles = mass/molar mass

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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

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2 years ago
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