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Question- What volume of 6.00 molar hydrochloric acid is needed to prepare 500.0ml of 0.100 M solution?
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The molecules methane (CH4) as well as ammonia (NH3) both has four regions of high electron density around their central atoms, and yet these two molecules have different molecular geometries. Explain why are their molecule geometries different
what would be the effects when changing the eluting solvents
if the amount of hg in an industrial-waste pond is 0.39 micrograms ugml how much hg is present in kg if the pond has a
How would one prepare 10ml of a 0.25M HCl solution if 1M HCl was available. How much 1M HCl is needed. How much distilled water is used.
Solid NaI is slowly added to a solution that is .0075M Cu+ and a .0087 M Ag+. Which compound will precipitate first (NaI, CuI, or AgI), calculate [Ag+] when CuI just begins to precipitate
Calculate the molarity of a sodium hydroxide solution if a 0.7216 g sample of KHP was dissolved in 50 mL of water and titrated with 24.71 mL of sodium hydroxide to a phenolphthalein end point.
In acidic aqueous solution the purple complex ion Co(NH3)5Br2+ undergoes a slow reaction in which the bromide ion is replaced by a water molecule soft the pinkish-orange complex ion - Co(NH3)5(H2O)3+ Co(NH3)5Br2+Purple(aq)+H2O(l)? Co(NH3)5(H2O)3+P..
A 50.0-mL volume of 0.15 M is titrated with 0.25 M KOH. Calculate the pH after the addition of 20.0 mL of KOH.
How much heat is required to raise the temperature of 215g CH3OH (l) from 20.0 to 30.0 degrees C and vaporize it at 30.0 degrees C
A proton in a linear accelerator has a de Broglie wavelength of 127 pm. what is the speed of the proton?
Exactly 5.02 grams of an unknown gas was sealed in a 3.0 L flask at 37.0oC and a pressure of 1.25 atm.
determine the mass of carbon dioxide produced when .85 grams of butane reacts with oxygen according to the following
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