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asambeis [7]
3 years ago
6

Which chemical equation is balanced?

Chemistry
1 answer:
stiks02 [169]3 years ago
8 0

Answer:D

Explanation:

1 P per side

5Cl per side

8 H per side

4 O per side

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What is the mass of oxygen in 3.34 g of potassium permanganate?
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Answer:

1.35 g

Explanation:

Data Given:

mass of Potassium Permagnate (KMnO₄) = 3.34 g

Mass of Oxygen: ?

Solution:

First find the percentage composition of Oxygen in Potassium Permagnate (KMnO₄)

So,

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Since the percentage of compound is 100

So,

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It means that for ever gram of Potassium Permagnate (KMnO₄) there is 0.405 g of Oxygen (O) is present.

So,

for the 3.34 grams of Potassium Permagnate (KMnO₄) the mass of Oxygen will be

                  mass of Oxygen (O) = 0.405 x 3.34 g

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3 years ago
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