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gavmur [86]
3 years ago
11

When 120 g of carbon reacts completely with 320 g of oxygen the mass of carbon dioxide formed will be?

Chemistry
1 answer:
olga2289 [7]3 years ago
6 0
440 cause mass cant be created or destroyed
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Lakesha gave three tenths of her cookies to Bailey and five tenths of her cookies to Helen. What fraction of her cookies did Lak
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Answer:

a . eight tenths of her cookies

Explanation:

Let the total number of Lakesha's cookies be represented by x.

So that;

She gave three tenths to Bailey = \frac{3}{10} of x

                                                     = \frac{3x}{10}

She gave five tenths to Helen = \frac{5}{10} of x

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Fraction of Lakesha's cookies given away = \frac{3x}{10} + \frac{5x}{10}

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                                                      = \frac{8x}{10}

Thus, the fraction of cookies given away by Lakesha is \frac{8}{10}.

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https://www.britannica.com/science/soap/Raw-materials



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