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What is the value of pKw?

pKa+pKb=pKw=14


What is the pH if pKw is 14.26?

I will assume you are asking about the pH of pure water if pKw is 14.26. The relationship between pH, pOH, and pKw is as follows: pH + pOH = pKw. If it is pure, neutral water (no acids or bases present), then pH = pOH, so: pH + pOH = 14.26 2(pH) = 14.26 pH = pOH = 7.13


How do you say red car in German?

red car = rotes Auto red car = roter Wagen red car = roter PKW


Where is the On The Chisholm Trail Association in Duncan Oklahoma located?

The address of the On The Chisholm Trail Association is: 1000 Chisholm Trail Pkw, Duncan, OK 73533-1539


Where can I find an industrial mixing equipment?

http://www.alfalaval.com/campaigns/tankequipment/mixing-and-agitation/product-overview/pages/product-overview.aspx?pkw=industrial%20mixing%20equipment is a website that you can find an industrial mixing equipment.


How many more hydroxide ions are there in a solution with a pH of 9 than in a solution with a pH of 3?

The concentration of hydroxide ion is realted to pH by the pKw (10-14) At pH 9 the concentration of OH- is 10-5, at pH 3, 10-11. The ratio is 106 so there are a million times as many OH- in pH 9.


How many times more hydroxide ions are there in a solution with a pH than in a solution with a pH of 3?

The concentration of hydroxide ion is realted to pH by the pKw (10-14) At pH 9 the concentration of OH- is 10-5, at pH 3, 10-11. The ratio is 106 so there are a million times as many OH- in pH 9.


What is the pKw of water?

Here is the first step to convincing you that the pKa of water should not be 7: water is clearly a weaker acid than hydrogen sulfide, whose pKa is 7.04, or boric acid, 9.14, or hydrogen cyanide, 9.31 The real problem is why the pKa should not be 14.0 -- the same as pKw Here is the reason: Kw is defined as [H+]*[OH-], and this turns out to be 1.E-14. For any acid HA in water, though, Ka is defined as [H+]*[A-]/[HA] So if we think of water as an acid, Ka = [H+] * [OH-] / [H2O] = 1.0E-14 / [H2O] What do we do for [H2O]? Well, 1 g of water occupies 1 mL, near enough, which means that 18 gram of water = 1 mol of water occupies 18 mL. So we can fit 55.6 mol of pure water in 1.00 L. It is therefore fair to say that the "concentration" of water is 55.6 M, and so Ka = 1.8E-16 The log of 1.8E-16 to base 10 is -15.75, which is the pKa value quoted in your question.


How many times more hydroxide ions are in a solution with a pH of 9 than in a solution with a pH of 3?

The concentration of hydroxide ion is realted to pH by the pKw (10-14) At pH 9 the concentration of OH- is 10-5, at pH 3, 10-11. The ratio is 106 so there are a million times as many OH- in pH 9.


Calculate the pH of a 0.028 m NACN solution Ka 4.9 x 10 -10. the answer is 10.88 please help?

This is a weak base problem. Assume F = 0.028M Ka = 4.9 10^-10 Kb = Kw / Ka Kw - 10^-14 therefor pKw=14 x = [OH-] Kw / Ka = Kb = x^2 / (F-x) solve for "x" by use of quadratic formula to get the [OH-] pOH = -log [OH-] then plug pOH into the pH equation pH =pKw - pOH


Pkw Home Small Business Invoice with selectable reports and two fully adjustable tax rate fields. This application gives you the flexibility to add or not add Federal and/or State sales taxes. In Cana?

PC Magazine suggests the following free accounting software: Billing Boss, FreshBooks and Intuit Billing Manager. The preceding accounting software seems to be geared for small business but should adapt for home use.


What is the German word for car?

The car is "das Auto"===========================================================Das Auto is a contraction of the word Automobil (automobile) and although Auto has come to mean car almost exclusively, it is, in fact, in German a generic term for all vehicles propelled by internal combustion engine and designed for the carriage of persons or goods.Official documents, forms and road signs refer to the car as Personenkraftwagen (PKW) -motor vehicle for personsA goods vehicle is referred to as Lastkraftwagen (LKW) - motor vehicle for goods