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dmitriy555 [2]
3 years ago
12

A substance has a volume of 20mL and a density of 2.5 g/mL. what is it’s mass?

Chemistry
1 answer:
DochEvi [55]3 years ago
4 0
2.5X20=50g
50g should be the right answer
Mass=volumeXdenisty.
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Answer:

Pollution, non native species being introduced, and other human activities

Explanation:

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Molecular Formula of Propanoic Acid is....

                                                C₃H₆O₂
Where;

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Atomic Mass of O  =  6

Substituting Atomic Masses in molecular formula,

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                                                   36  +  6  +  32

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Result:
            
Molecular Mass of Propanoic Acid is 74 g/mol. Structure of Methyl Ethanoate and Propanoic Acid are as follow,

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The correct answer is C, as if you do not understand something, it's always best to ask for help, especially when performing a sensitive procedure.

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