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Anastasy [175]
3 years ago
6

The formula C2H4 can be classified as

Chemistry
2 answers:
Sergio039 [100]3 years ago
8 0
<span>The answer is 4. Molecular formulas express how many atoms of every element are in a compound, and empirical formulas express the reduced share of elements in a compound. If a compound's molecular formula cannot be made lower any longer, then the empirical formula is the similar as the molecular formula.</span>
lilavasa [31]3 years ago
5 0

Answer:its 2

Explanation: I got it wrong but they told me right answer

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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
  • V = volume = 45mL = 0.045L

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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  • M = molar mass

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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6 0
2 years ago
A manufacturing plant has been found guilty of polluting the nearby river. This is _______ pollution.
dusya [7]

Answer:

the answer would be C:  point source

Explanation:

because it specified the source of the pollution (manufacturing plant)

7 0
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