Question
8.110. An aqueous solution containing
at
(specific gravity
) is diluted with pure
liquid water at the same temperature. The feed solution volume is 350 mL . The mixing may be
considered adiabatic, and the pressure is constant at 1 atm.
(a) The product solution is to contain
. Calculate the volume ( mL ) of water needed
for the dilution, ideally using a single-dimensional equation.
(b) Use the enthalpy-concentration chart of Figure
to estimate the specific enthalpies (Btu/l
) of
the feed solution and the water. Then write an energy balance on this closed system constant-
pressure process and solve it for the specific enthalpy of the product solution. Finally, use
Figure 8.5-1 to verify your calculated value of
and to estimate the product solution
temperature. (See Example
.)
© Use Figure
to estimate the maximum temperature that could be attained by mixing the feed
solution with pure water and the concentration (
) of the product solution.
(d) Good laboratory practice calls for adding acid to water when carrying out dilutions rather than
vice versa. Use Figure
to justify this rule for the dilution of the feed solution in this problem.
liquid water at the same temperature. The feed solution volume is 350 mL . The mixing may be
considered adiabatic, and the pressure is constant at 1 atm.
(a) The product solution is to contain
for the dilution, ideally using a single-dimensional equation.
(b) Use the enthalpy-concentration chart of Figure
the feed solution and the water. Then write an energy balance on this closed system constant-
pressure process and solve it for the specific enthalpy of the product solution. Finally, use
Figure 8.5-1 to verify your calculated value of
temperature. (See Example
© Use Figure
solution with pure water and the concentration (
(d) Good laboratory practice calls for adding acid to water when carrying out dilutions rather than
vice versa. Use Figure
Ask by Spencer Hampton. in Canada
Mar 29,2025
Upstudy AI Solution
Tutor-Verified Answer
Answer
Pour diluer la solution
à
avec une gravité spécifique de
pour obtenir une concentration de
, vous aurez besoin d’ajouter environ
d’eau.
Solution

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Extra Insights
When it comes to sulfuric acid solutions, it’s fascinating to note that sulfuric acid (H₂SO₄) has a long storied history, primarily due to its role in the industrial revolution as a key component in chemical manufacturing. Since its first isolation in the 17th century, it has become one of the most produced chemicals globally. Its ability to absorb water and react exothermically has been both a blessing for creating robust products and a danger in terms of handling!
Jumping to real-world applications, the process of diluting sulfuric acid is critical in many industrial settings, such as battery manufacturing and fertilizer production. The need for precise concentrations cannot be overstated, as even a small miscalculation can lead to hazardous spills or ineffective products. Therefore, incorporating best practices in dilution—like always adding acid to water—ensures safety and efficiency in your processes!