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Stella [2.4K]
3 years ago
8

What is the name of the compound Si5F7?

Chemistry
1 answer:
svetoff [14.1K]3 years ago
3 0
I think it’s D, silicon Fluoride.
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<u>We are given:</u>

Mass of NaCl in the given solution = 22.3 grams

Volume of the given solution = 2 L

<u></u>

<u>Number of Moles of NaCl:</u>

We know that the number of moles = Given mass / Molar mass

Number of moles = 22.3 / 58.44 = 0.382 moles

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<u>Molarity of NaCl in the Given solution:</u>

We know that Molarity of a solution = Moles of Solute / Volume of Solution(in L)

Molarity = 0.382 / 2

Molarity = 0.191 M

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