Calculate the ph of a buffer made with 050m phosphoric acid

Calculate the pH of a buffer made with 0.50M phosphoric acid and 0.75M sodium dihydrogen phosphate. Ka = 7.5 x 10^-3

A railway wagon weighing 40 kn and moving with a speed of 8 : a railway wagon weighing 40 kn and moving with a speed of 8 kmh is stopped by a buffer of 4 springs whose allowable

What is the final temperature of the water after the : a 5.08-g chunk of potassium is dropped into 1.06 kg water at 24.0degc. what is the final temperature of the water after

Assume a future where security countermeasures against dos : assume a future where security countermeasures against dos attacks are much more widely implemented than at present. in

In the formula sodium phosphate na3po4 how many moles of : in the formula sodium phosphate na3po4 how many moles of sodium are represented? how many moles of phosphorus? how many

Calculate the ph of a buffer made with 050m phosphoric acid : calculate the ph of a buffer made with 0.50m phosphoric acid and 0.75m sodium dihydrogen phosphate. ka 7.5 x

What mass in grams of steam at 100degc must be mixed with : what mass in grams of steam at 100degc must be mixed with 387 g of ice at its melting point in a thermally insulated

Oce the liquid nitrogen is evaporated in time the balloon : pouring liquid nitrogen onto a balloon decreases the volume of the balloon dramatically. once the liquid nitrogen is

Calculate the volume of the sample after the reaction takes : a sample of gas contains 0.2000 mol of c2h4g and 0.2000 mol of br2g and occupies a volume of 13.7 l. the following

A total of 200 rm mol of a compound is allowed to react in : a total of 2.00 rm mol of a compound is allowed to react in a foam coffee cup that contains 117 g of water. the