User Account

All Pages

Problem regarding the solution by weight

Assignment Help Chemistry
Reference no: EM131107157

What is the pH of an aqueous solution of KOH if its density is 1.0242 g/mL. the molar weight of KOH is 56.1 g/mol. The KOH is exactly 3.00% of the solution by weight.

Reference no: EM131107157

Questions Cloud

Calculate the viscosity of the oil : Suppose a steel ball bearing (density 7.8 ? 103kg/m3, diameter 3.2 mm) is dropped in a container of motor oil. It takes 15 s to fall a distance of 0.45 m. Calculate the viscosity of the oil.
Use the mgf to find the first : A random variable X takes values -1, 0, and 2, with respective probabilities 0.2, 0.3, and 0.5. Find the mgf of X. Use the mgf to find the first two moments of X.
Evaluate the cultural issues that need to be addressed : Evaluate the cultural issues that need to be addressed. Analyze the ethical considerations that apply. Describe the organization's current hiring needs and projected hiring needs for the coming year.
Summarize major perspectives and theories in psychology : Discuss what is meant by the term states of consciousness and apply it to your research study, considering whether it impacted the behavior or mental processes of the subjects involved.
Problem regarding the solution by weight : What is the pH of an aqueous solution of KOH if its density is 1.0242 g/mL. the molar weight of KOH is 56.1 g/mol. The KOH is exactly 3.00% of the solution by weight.
Consider a biased random walk that starts : Consider a biased random walk that starts at the origin and that is twice as likely to move to the right as it is to move to the left. After how many steps will the probability be greater than 99% that the walk is to the right of the origin?
Aforementioned results with a simulation experiment : A random variable Y is said to have a lognormal distribution if log Y has a normal distribution. Equivalently, we can write Y = eX, where X has a normal distribution.
What is the par or stated value of coca cola : What was the market price range (high/low) for Coca-Cola's common stock and PepsiCo's capital stock during the fourth quarter of 2007? Which company's (Coca-Cola's or PepsiCo's) stock price increased more (%) during 2007?
Active proteolytic enzymes : Why do protease-producing cells of the stomach and of the pancreas produce only the precursors to active proteolytic enzymes?

Reviews

Write a Review

Chemistry Questions & Answers

  Performance and economic comparison

You are requested to suggest two options with drawing , performance and economic comparison - the concentration of the permeate

  An unknown amount of compound w is composed of 42g of

an unknown amount of compound w is composed of 42g of hg1.26x1023 atoms of cl and 0.63 mol of o. its molecular weight

  Two 100g masses are attached by a spring with force

two 1.00g masses are attached by a spring with force constant k 500 kg s-2. calculate the zero point energy of the

  What mass of limestone is required to remove sulfur dioxide

what mass of limestone is required to remove all the sulfur dioxide formed by the combustion of 9.2 X 10^4 kg of coal that is 0.33 mass % sulfur?

  To obtain the same antifreeze protection requires 76 g of

to obtain the same antifreeze protection requires 76 g of propylene glycol to replace each 62 g of ethylene glycol.

  Explain how large should n be in order to approximate

How large should n be in order to approximate the integral from 0 to 1 sin(X^2) dx accurate to with in .001 using the midpoint rule (please show how to find the K value also)

  What is the freezing point of a 50.0% solution

Ethylene glycol, HOCH2CH2OH, is effective as an antifreeze, but it also raises the boiling temperature of automobile coolant, which helps prevent loss of coolant when the weather is hot.

  Determine the theoretical yield of h2o and the percent

question the combustion of liquid ethanol c2h5oh produces carbon dioxide and water. after 5.6 of ethanol density 0.789

  Define values of ksp and kf for copper (ii) hydroxide

Use values of ksp and kf for copper (II) hydroxide and its complex to predict if a precipitate should form in a 0.1 M Cu2+ solution that is 3M in OH-

  Explain what is the atomic mass of copper

The element copper has an atomic weight of 63.5 and consists of two stable isotopes copper-63 and copper-65. The isotope copper-63 has an atomic mass of 62.9 amu and a percent natural abundance of 69.1 %.

  Problem regarding the pressure conversion

Perform the following pressure conversion, assuming when necessary that atmospheric pressure is 1 atm. Unless otherwise stated, the given pressures are absolute.

  Why is it important to use only the minimal amt of hot

why is it important to use only the minimal amt of hot solventneeded to achieve a recrystallization? what would be the

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

Submit Assignment

Academics

Major Subjects

Majors

Get In Touch

whatsapp: +1-415-670-9521

Phone: +1-415-670-9521

Email: [email protected]

TERMS & POLICIES

HELP & SUPPORT

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd