Question
Asked Dec 6, 2019
7 views

What mass of KOH would need to be dissolved in 500.0 mL of water to produce a solution with a pH of 12.40? (In grams)

check_circle

Expert Answer

Step 1

KOH completely dissociates since it is strong base.

Con...

help_outline

Image Transcriptionclose

КОН —> К* + ОН pH + PОН 3 14 — РОН - 14—рH РОН %3D 14 — 12.40 %3D 1.6 РОН- - 1og| ОН -1.6 Гон ]- |Он 3 0.025 М [КОН] - [он| —0.025 М

fullscreen

Want to see the full answer?

See Solution

Check out a sample Q&A here.

Want to see this answer and more?

Solutions are written by subject experts who are available 24/7. Questions are typically answered within 1 hour.*

See Solution
*Response times may vary by subject and question.
Tagged in

Science

Chemistry

Related Chemistry Q&A

Find answers to questions asked by student like you
Show more Q&A
add
question_answer

Q: Use the following data to determine whether the conversion of diamond into graphite is exothermic or...

A: Thermodynamic is the branch of chemistry that mainly deals with the heat transfer between system and...

question_answer

Q: Determine the standard enthalpy of formation for N2O given the following information about the forma...

A: Hess's lawThe enthalpy change of a reaction is calculated by subtraction of sum of standard enthalpy...

question_answer

Q: Draw the condensed structural formula for the tripeptide serylglycycylalanine

A: A compound possessing three amino acids joined together by two peptide bonds is known as tripeptide....

question_answer

Q: an unknown liquid has a heat of vaporization of 38.17kj/mole. if the normal boiling point is 80, wha...

A:  The vapor pressure can be calculated by using Clausius Clapeyron equation, which is given as,

question_answer

Q: Write the ground state electron configuration of Zn using the noble-gas shorthand notation.

A: The atomic number of Zn is 30 and the complete electron configuration of zinc is given as,

question_answer

Q: A sample of an ideal gas has a volume of 2.31 L at 285 K and 1.05 atm. Calculate the pressure when t...

A: Pressure of the gas can be determined using combined gas law that is proposed by combining the Boyle...

question_answer

Q: both questions please

A: 1.The balanced chemical equation for the decomposition of liquid nitroglycerin into gaseous dinitrog...

question_answer

Q: If a cell is in a hypertonic solution, the cell is said to be in a __________ state.

A: GivenA cell is placed in the hypertonic solution

question_answer

Q: both questions please

A: The given hydrocarbon is dodecane (C12H26). The combustion of dodecane results on the formation of c...