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Anna71 [15]
2 years ago
11

According to the principle of superposition, which statement is true about the sediment layers shown here?Required to answer. Si

ngle choice.
(20 Points)



A. Layer 2 is young relative to layer 3.

B. Layer 3 is young relative to layers 1, 2, and 4.

C. Layer 4 is old relative to layers 1 and 2.

D. Layer 2 is old relative to layers 3 and 4.

​whoever gets it right gets 10pts
Chemistry
1 answer:
podryga [215]2 years ago
3 0

if layer 4 is at the very bottom it would be c

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What is the empirical formula of a compound composed of 3.25% hydrogen ( H ), 19.36% carbon ( C ), and 77.39% oxygen ( O ) by ma
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Answer:

The answer to your question is C₂HO₃

Explanation:

Data

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Process

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Carbon = 19.36 g

Oxygen = 77.39 g

2.- Convert the grams to moles

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                   3,25 g of H -------------  x

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                    12 g of C ---------------- 1 mol

                     19.36 g of C ----------  x

                     x = (19.36 x 1) / 12

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                     16g of O --------------- 1 mol

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                      x = (77.39 x 1)/16

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3.- Divide by the lowest number of moles

Carbon = 3.25/1.61 = 2

Hydrogen = 1.61/1.61 = 1

Oxygen = 4.83/1.61 = 3

4.- Write the empirical formula

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