Study the problem and proposed solution below. Is the final answer correct? Then click the No mistakes button. Is the final answer wrong? Then click the button in front of the line with the first mistake and correct the mistake.Note: don't worry about correcting the rest of the solution, after the first mistake. ProbThe density of a pure substance is its mass per unit volume. The density ofhexane has been measured to be 655.Calculate the mass of 105. mL ofLhexane.Be sure your answer has a unit symbol and the correct number of significantdigits.Solution:p = m VWrite down the definition of density.%3Dрm =Solve for mass.V0.655m =g105.Put in the data given.m = 0.0062381... gUse the calculator.Round to the correct number of significantdigits.m = 0.00624 gNo mistakes

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Answered: The density of a pure substance is its…

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter13: The Chemistry Of Solutes And Solutions

Section: Chapter Questions

Problem 15QRT: Beakers (a), (b), and (c) are representations of tiny sections (not to scale) of mixtures made from...

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Study the problem and proposed solution below. Is the final answer correct? Then click the No mistakes button. Is the final answer wrong? Then click the button in front of the line with the first mistake and correct the mistake.

Note: don't worry about correcting the rest of the solution, after the first mistake.

Prob
The density of a pure substance is its mass per unit volume. The density of
hexane has been measured to be 655.
Calculate the mass of 105. mL of
L
hexane.
Be sure your answer has a unit symbol and the correct number of significant
digits.
Solution:
p = m V
Write down the definition of density.
%3D
р
m =
Solve for mass.
V
0.655
m =
g
105.
Put in the data given.
m = 0.0062381... g
Use the calculator.
Round to the correct number of significant
digits.
m = 0.00624 g
No mistakes

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