How many grams of potassium hydroxide must be dissolved

Assignment Help Chemistry
Reference no: EM13145964

How many grams of potassium hydroxide (KOH) must be dissolved in 820 mL of water to make a solution with a pH = 11.1?

Reference no: EM13145964

Questions Cloud

Basic earnings per share : Angel's net income for the year ended December 31, 2009, was $6 million. The income tax rate is 20%. What is Angel's basic earnings per share for 2009, rounded to the nearest cent?
Compute also how long it would take for half of a to react : Calculate k, Calculate also how long it would take for half of A to react. assume pseudo first order with k'=k[OH-], since [OH-] is in great excess.
Which parts of a eukaryotic gene are transcribed : Which parts of a eukaryotic gene are transcribed?
What effect would this have on the firm optimal output : What effect would this have on the firm's output. Finally, suppose that MCL =$20 and P=$50 but that labor productivity (output per labor hour) is expected to increase by 25%over the next 5 years. What effect would this have on the firm's optimal ..
How many grams of potassium hydroxide must be dissolved : How many grams of potassium hydroxide (KOH) must be dissolved in 820 mL of water to make a solution with a pH = 11.1?
Contribution of the land to the partnership : How much gain or income will Ben recognize on his contribution of the land to the partnership? What is the character of any gain or income recognized?
What is the standard deviation of exam scores : You are told that 95% of the scores range between 300 and 660. Using the 68, 95,99.7 rule, what is the standard deviation of exam scores?
Answer these all geography based questions : answer the all question:What is the name of the largest ocean on earth? What are the two main metals in the earth's  core?
Explain how much heat is required to melt of ice : How much heat is required to melt 15 grams of ice at 0C? How much heat is released when 100 grams of steam condenses at 100C? If a system of ice and water has a mass of 12 grams

Reviews

Write a Review

Chemistry Questions & Answers

  How many moles of pottasium nitrate must be heated

Potassium nitrate decomposes on heating, producing potassium oxide and gaseous nitrogen and oxygen: 4KNO3(s)→ 2K2O(s) + 2N2(g) + 5O2(g)

  What is the % yield

When 100.g Mg3N2 reacts with 75.0 g H2O, 15.0 g of NH3 is formed. What is the % yield?

  How much heat will be given off

The equation for the combustion of acetone is: 2 C3H6O + 8 O2 ---> 6 H2O + 6 CO2 + 852.6 kcal How much heat will be given off if 0.87 mol of acetone is completely burned?

  Require to scale down the reaction reagents

An old synthetic procedure starts by calling for fifteen kilo grams of sulfuric acid. If your largest reaction vessel holds ten litres, can you put the fifteen kilograms of acid into the vessel, or would you require to scale down the reaction reag..

  What is the average thickness of the sheet in meters

If a 180mg piece of gold (density =19.32g/cm^3 ) is hammered into a sheet measuring 2.1ft x 1.0ft , what is the average thickness of the sheet in meters?

  What is the limiting reagnant

CH4(g) + 2 O2 --> CO2(g) + H2O(g) suppose 1.5 mol of methane is allowed to react with 4 mol of oxygen. what is the limiting reagnant?

  Compute the fractional conversion of the limiting reactant

The feed to reactor contains only C 2 H 4 and HBr. if the molar flow rate = 165mol/s, compute the fractional conversion of the limiting reactant?

  How many grams of phosphorous will remain

Phosphorus-32 has a half-life of 14.0days . Starting with 4.00 g of 32p , how many grams will remain after 42.0 days?

  How many liters of this water could be contaminated

Exactly 100 pounds of cane sugar (dextrose), C12H22O11, were accidentally discharged into a small stream saturated with oxygen from the air at 25 celcius.

  Determine the simplest formula of the compound x

When 228.4 mg of pure X was burned 627.4 mg of CO2 and 171.2 mg of H2O were obtained. Determine the simplest formula of the compound X.

  What is the volume of 1 mole of helium gas

what is the volume of 1 mole of Helium gas when the pressure is 1.47 atm and the temperature is 287 K.

  How many milliliters of 0.100 m naoh(aq) would be needed

How many milliliters of 0.100 M NaOH(aq) would be needed to completely neutralize 50.0 milliliters of 0.300 M HCl(aq)

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!

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