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enyata [817]
3 years ago
9

What volume would occupy 90g

Chemistry
2 answers:
MrRa [10]3 years ago
5 0

Answer:

graphing of data

Explanation:

Free_Kalibri [48]3 years ago
3 0
45 cm^3 i think? not sure tbh sorry
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What intermolecular forces occur between two methane molecules?
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Thank you in advance!
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6 0
3 years ago
) how much of the primary standard benzoic acid (fm 122.12, density 1.27 g/ml) should you weigh out to obtain a 100.0 mm aqueous
aniked [119]
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:
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mass = moles * molar mass
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8 0
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