The molecular formula of the compound which has a molecular weight of 112.124 atomic mass units is C₆H₈O₂.
<h3>What is molecular formula?</h3>
Molecular formula of any compound tells about the composition and numbers of each entities present in that molecule.
Steps involved in the prediction of molecular formula:
- First we predict the molar mass of given emperical formula as:
Molar mass of C₃H₄O = 3(12) + 4(1) + 16 = 56
- Now we divide the given mass by the calculated mass of empirical formula:
112.124/56 = 2
- Now we multiply the subscripts of given empirical formula by this whole number and we get:
Molecular formula = (C₃H₄O)₂ = C₆H₈O₂
Hence correct option is (E).
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Answer:
B
Explanation:
Presumably the system is closed (nothing can escape or enter).
A: You're cooling the container so it shouldn't explode.
C: If the container is Closed, the volume cannot increase or decrease.
D: is also impossible for the closed container reason.
B: The pressure has to decrease because the molecules are moving slower which decreases their velocity. If that happens the Force goes down.
B: Answer
Acid A, assuming the two acids have the same pH. The M stands for molarity which is how concentrated a substance is (basically the higher the molarity the more concentrated the acid is). However, pH refers to how acidic a substance is. If the two acids have different levels of acidity, the answer may be different.
