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lesya692 [45]
3 years ago
8

What type of animal might become preserved in amber

Chemistry
1 answer:
goldfiish [28.3K]3 years ago
6 0
Insect's or Bugs preserved in Amber
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Glycerol has a molar mass of 92.09g/mol. Its percent composition is: 39.12% C, 8.75% H,
Sphinxa [80]

Answer:

Molecular formula => C₃H₈O₃

Explanation:

From the question given above, the following data were obtained:

Carbon (C) = 39.12%

Hydrogen (H) = 8.75%

Oxygen (O) = 51.12%

Molar mass of compound = 92.09 g/mol

Molecular formula =?

Next, we shall determine the empirical formula of the compound. This can be obtained as follow:

C = 39.12%

H = 8.75%

O = 51.12%

Divide by their molar mass

C = 39.12 / 12 = 3.26

H = 8.75 / 1 = 8.75

O = 51.12 / 16 = 3.195

Divide by the smallest

C = 3.26 / 3.195 = 1

H = 8.75 / 3.195 = 2.7

O = 3.195 / 3.195 = 1

Thus, the empirical formula is CH₂.₇O

Finally, we shall determine the molecular formula of the compound. This can be obtained as follow:

Empirical formula = CH₂.₇O

Molar mass of compound = 92.09 g/mol

Molecular formula =?

Molecular formula = Empirical formula × n

Molecular formula = [CH₂.₇O]ₙ

92.09 = [12 + (2.7×1) + 16] × n

92.09 = 30.7n

Divide both side by 30.7

n = 92.09 / 30.7

n = 3

Molecular formula = [CH₂.₇O]ₙ

Molecular formula = [CH₂.₇O]₃

Molecular formula = C₃H₈O₃

3 0
3 years ago
If 18 grams of oxygen reacts completely with 4 grams of hydrogen, we would expect how many grams of water?
seraphim [82]

Answer: 22 grams because mass cannot be created or destroyed

Explanation: I just took the test

4 0
3 years ago
Read 2 more answers
I hate chemistry sm pls help
Liono4ka [1.6K]
Answer:
c
O2: 7 mol
CO2: 4 mil
5 0
3 years ago
Balance this equation<br> Pb(NO3)2+Na2(CrO4)=Pb(CtO4)+Na(NO3)
zzz [600]
I'm guessing you mean Cr (Chromium) in the product instead of Ct.

<span>Pb(NO3)2 + Na2(CrO4) = Pb(CtO4) + 2Na(NO3)</span>
3 0
4 years ago
When a baseball bat hits a baseball, what happens to the energy?<br> completo ancur
professor190 [17]

Answer: the baseball bat transfor its energy in the ball.

Explanation: you hit it with one and find out and tell me what you think what happen.

3 0
3 years ago
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