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inysia [295]
3 years ago
15

I have a mass of 30 grams and a volume of 60 cm3 what is the density

Chemistry
1 answer:
Nesterboy [21]3 years ago
7 0
I think it's 534 grams per cubic centimetre
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Explanation: There are 2 moles of C6H12O6 in 300 g C6H12O6 , rounded to one significant figure.

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Using the volumes of sodium thiosulfate solution you just entered, the mass of bleach sample, and the average molarity of the so
dedylja [7]

Answer:

3.18 (w/w) %

Explanation:

In the problem, you can find mass of NaClO knowing the reaction of NaClO with Na₂S₂O₃ is:

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0.0101L ₓ (0.042mol / L) = 4.242x10⁻⁴ moles of Na₂S₂O₃

Thus, moles of NaClO in the initial solution are:

4.242x10⁻⁴ moles of Na₂S₂O₃ ₓ (1mol NaClO / 2 mol Na₂S₂O₃) = 2.121x10⁻⁴ moles NaClO

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2.121x10⁻⁴ moles ₓ (74.44g / mol) = <em>0.0158g of NaClO</em>

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<h3>3.18 (w/w) % </h3>
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