Answer:
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Explanation:
<span><span>Dipole-dipole interactions , example: ammoni </span><span>forces, example: methane, CH4</span><span>Hydrogen bonding example: water, H2O </span></span>
Answer:
Conformational isomers
Explanation:
Conformational isomers are temporarily different shapes of the same molecule and for this reason are not classified as isomers in some textbooks.
Answer:
C IS YOUR CORRECT ANSWER
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We must know that molarity is a unit for concentration and it is expressed as:
molarity = moles / liters
The molarity is 100 millimolar, or 0.1 molar. The volume is 250 ml, or 0.25 liters. Using the formula above, we find the moles of benzoic acid required.
moles = molarity * liters
moles = 0.1 * 0.25
moles = 0.025
Next, we know that the molar mass for benzoic acid is 122.12 g/mol and the moles of a substance are given by:
moles = mass / molar mass
mass = moles * molar mass
mass = 0.025 * 122.12
mass = 3.05 grams
You will need to weigh out 3.05 grams of benzoic acid
