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nikklg [1K]
3 years ago
14

21. Which has a greater density: a large block of ice or a small block of iron?

Chemistry
1 answer:
irinina [24]3 years ago
7 0

Answer:

I think ice !

Explanation:

its my answer

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How many moles of Ca atoms are in 1 mol of CaSO4?
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Answer:

6.02 x 10²³ atoms

Explanation:

Given parameters:

Number of moles CaSO₄ = 1 mole

Unknown:

Number of Ca atoms in the given compound = ?

Solution:

The given compound is:

          CaSO₄

     1 mole of CaSO₄  is made up of 1 mole of Ca atoms

Now;

   1 mole of any substance contains 6.02 x 10²³ atoms

  1 mole of Ca atoms will also contain 6.02 x 10²³ atoms

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3 years ago
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C

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3 years ago
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3 years ago
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4 years ago
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Calculate the average atomic mass of boron (B), which has two isotopes: B-10 with 19.9% natural abundance, and B-11 with 80.1% a
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6 0
4 years ago
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