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r-ruslan [8.4K]
3 years ago
10

[Please see the attatched photo]​

Chemistry
2 answers:
Klio2033 [76]3 years ago
6 0

Answer:

C

Explanation:

Trust me

mixer [17]3 years ago
5 0

Answer:

Its C

Explanation:

Got 100% on test edge 2020

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3 years ago
How many moles are 1.20 x 1025 formula units of calcium iodide?
madam [21]

Answer:

19.9 mol

Explanation:

Use <em>Avogadro’s number</em> to convert formula units of CaI₂ to moles of CaI₂.

1 mol CaI₂ ≡ 6.022 × 10²³ formula units CaI₂

Moles of CaI₂ = 1.20 × 10²⁵ × (1 /6.022 × 10²³)

Moles of CaI₂ = 19.9 mol

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ziro4ka [17]

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3 years ago
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OverLord2011 [107]

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3 0
3 years ago
Choose all the answers that apply.
ziro4ka [17]

Explanation:

The term suspension means mixing of small and light particles together which are not dissolved in a fluid.

Therefore, clay, slit, and sand would be carried by suspension as they have small particles as compared to small pebbles and large rocks.

In a rock, there might be substance which are soluble in water. These soluble substances are therefore, continuously removed from the rock by the action of water.

Hence, holes will appear in the rock leading to rills and rough surface. Ultimately, the rock will either decompose or fall into pieces. On acidification of water by organic and inorganic solvents, the dissolution of rock increases.

Thus, it is concluded that in solution, rocks are dissolved by salts and acids.

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3 years ago
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