gvanael15
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A student heats 4g of a blue compound, which reacts completely to produce 2.56 g of a white compound and an unknown amount of colorless gas. What is the mass of the gas?(you’ll get points and get marked as brainleist i think)

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maacastrobr

Answer:

1.44 g

Explanation:

We can solve this problem if we keep in mind the law of conservation of mass, which states that if 4 grams of a compound reacted completely, then the sum of the products has to be 4 grams as well.

  • (Reactants) 4 g = 2.56 g + x g (Products)

We solve for x:

  • x= 4 - 2.56 = 1.44

So the answer is 1.44 g.

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