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You need to produce a buffer solution that has a pH of 5.30. You already have a solution that contains 10 (millimoles) of acetic acid. How many millimoles of acetate (the conjugate base of acetic acid) will you need to add to this solution? The pKa of acetic acid is 4.74.
What is the freezing point of water under a pressure of MPa? Assume that the density of ice is 0.915 g.cm^-3 and that of liquid water
One beaker contains pure water, another contains salt water, and another contains sugar water. How can you tell the which beaker is Which?
Why is it extremely dangerous to attempt to carry out a distillation in a completely closed apparatus
What is the mass of the precipate is formed when 170.0mL of 0.200 M MgSO4 reacts wit excess Na3PO4?
how to break glass bottles where you soak yarn in acetone, tie it around the bottle, light it on fire for 20-30 seconds then submerge it in water and the glass seperates.
Propose a reasonable reaction for the sodium hypochlorite oxidation of 3-hetpanol. Give the IUPAC name of expected product. What other oxidizing agents may be used to carry out oxidation
As per the Haber Process(N2(g)+ 3 H2(g)= 2 NH3(g) ) ,what mass of nitrogen should you see in the reaction If you must produce 700g of ammonia? Percent yield of this reaction = 70%
Calculate the concentrations of all species in a 0.840 M Na2SO3 (sodium sulfite) solution. The ionization constants for sulfurous acid
The density of titanium metal is 4.51g/cm3 at 25 degrees celsius. What mass of titanium displaces 125.0mL of water at 25 degrees celsius.
Which statement(s) is(are) true about X which has a molecular ion peak in its mass spectrum at mass 164?
Compute w when 181 grams of iron (III) oxide (MM = 159.7 g/mol) combines with excess carbon(C)) to produce carbon dioxide(CO 2 ) gas at 359 K: express your answer in kilo joules
A student weighed 0.4521 g of sodium oxalate and dissolved in 50 mL of distilled water and 10 mL of 4.0M H2SO4. The solution was titrated with 58 mL of KMnO4, what was the concentration of KMnO4.
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