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Pani-rosa [81]
2 years ago
5

PLEASE HELP!!!!!!! Atoms are blank if it has blank electrons in its outer most energy level.

Chemistry
1 answer:
laila [671]2 years ago
4 0
Atoms are (stable) if it has (valence) electrons in its outer most energy level.
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Energy is transferred when atoms are rearranged.

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6 0
2 years ago
A 45ml of a 4M solution of CaBr2 contains how many grams of CaBr2?
natta225 [31]

The required mass of calcium bromide is 35.98 grams.

<h3>What is molarity?</h3>

Molarity is any solution is define as the number of moles of solute present in per liter of solution as;

M = n/V, where

  • M = molarity = 4M
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Moles will be calculated by using the above equation as:

n = (4)(0.045) = 0.18 mole

Relation between the mass and moles of any substance will be represented as:

n = W/M, where

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Mass of CaBr₂ = (0.18mol)(199.89g/mol) = 35.98g

Hence required mass of CaBr₂ is 35.98 grams.

To know more about molarity, visit the below link:
brainly.com/question/22283918

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2 years ago
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Answer:

The answer is b

Explanation:

have common properties and are good conductors of heat and electricity. They reflect light and are malleable, and ductile.

3 0
3 years ago
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