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Depict the Lewis structure of KHP, potassium hydrogen phthalate, showing all atoms, bonds, and lone pairs. If resonance structures are possible, show only one of them.
a solution of ammonia and water contains 2.00times1025 water molecules and 5.30times1024 ammonia molecules. how many
What is the hydronium-ion concentration in a 0.025 M solution of carbonic acid, H2CO3? For carbonic acid,
The stratospheric ozone layer helps to protect us from harmful ultraviolet radiation. It does so by absorbing ultraviolet light and falling apart into an molecule and an oxygen atom, a process known as photodissociation.
Include the amounts of Tris-base and EDTA, and all steps necessary to adjust the pH, including when you add what bolumes of water. Tris-base has a molecular weight of 121 g/mol and will be very basic when it dissolves. EDTA's molecular weight is 3..
palladium crystallizes with a face-centered cubic structure. it has a density of 12.0 gcm3 a radius of 138 pm and a
Calculate the pH after the addition of a total 20.0, 30.0, and 70.0 ml of NaOH has been added.
a student placed 12.5 of glucose in a volumetric flask added enough water to dissolve the glucose by swirling then
ethylene glycol hoch2ch2oh is effective as an antifreeze but it also raises the boiling temperature of automobile
an unknown salt is either nacn nac2h3o2 naf nacl or naocl. when .100 mol of the salt is dissolved in 1.0 l of solutionk
a solution of 75 ml of 0.2 m nh3 is titrated with 50 ml of 0.5 m hno3. what is the ph of the resulting solution when 17
A solution is prepared by mixing 50.0 ml of ethanol with 300.0 ml of water what is the precent of ethanol in this solution. assume the volumes are additive.
Bob dissolved .36 grams of KHP in 15 mL of water. He found out that it required 20 mL of NaOH to reach the endpoint the endpoint of the titration.
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