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Vlada [557]
3 years ago
15

PLEASE NO LINKS, GIVING BRAINLIEST, 18 POINTS , THANKS AND 5 STAR!!!!!!!!

Chemistry
1 answer:
Korvikt [17]3 years ago
5 0

Answer:

2nd one In my opinion....

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Vitamin D has a percent composition of 42.98% C, and 57.02% H. Its molecular
Alex73 [517]

Answer:

Dont use alot of points

Explanation:

people scam like me and ay the wrong answer and get the points :|

3 0
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What are chemical reaction​
scoray [572]
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3 0
2 years ago
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When hydrated copper(II) sulfate crystals are heated, anhydrous copper(II) sulfate forms. A mass of 12.5 g of hydrated copper(II
pychu [463]

The formula of hydrated copper(II) sulfate is CuSO4.10H2O

<h3>What is the formula of the hydrated copper (ii) sulfate salt?</h3>

The formula of the hydrated copper (ii) sulfate is determined as follows:

Mass of hydrated salt = 12.5 g

Mass of anhydrous salt = 8.0 g

Mass of water = 12.5 - 8 = 4.5 g

mole ratio of water and anhydrous salt is;

4.5/18 : 8.0/159.5

0.562 : 0.05

10 : 1

Water of crystallization (n) = 10.

Therefore, the formula of hydrated copper(II) sulfate is CuSO4.10H2O

Learn more about water of crystallization at: brainly.com/question/26146814

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7 0
2 years ago
A student mixes two solutions A and B. A is blue colored and B is yellow colored. The mixture produces has a green color. A ther
Svet_ta [14]

Answer:

A

Explanation:

No temperature change was observed, hence the change is neither exothermic nor endothermic. Hence the answer is A.

4 0
3 years ago
What determines the identity of the salt that forms in a neutralization reaction?
nekit [7.7K]
The identities of the acid and base.
6 0
3 years ago
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