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Find out the volume (in mL) of 5.16 M potassium hydroxide (KOH) that must be added to 44.7mL of 0.703 M hypochlorous acid (HClO) to yield a pH of 7.82.
If 0.176 moles of Mg have combined with 0.220 moles of O, what is the empirical formula of the product?
we have a compound that is determined to contain 4.36 grams of nbspphosphorus and 5.64 grams of oxygen and a molar mass
Explain which of the following species is diamagnetic. Depict electron configuration boxes for all species every
The combustion of oxalic acid in a bomb calorimeter yields 2816 J/g at 25 degrees Celsius. Calculate (a) ΔcU and (b) ΔcH for the combustion of 1 mole of oxalic acid (M = 90.0 g/mol)
A 100.0 g sample of a metal M is burned in air to produce 103.7 g of its oxide with the formula M2O. What is the atomic mass of the metal?
Compute the concentration of the lycopene solution in the spectrophotometer cell before isomerization, given that the molar absorptive of lycopene at 471nm is 1.86 x 10^4
Use the dipole moments of and ( = 1.08, = 1.82) together with the percent ionic character of each bond ( 20% ionic, 45% ionic) to estimate the bond length in each molecule.
How many moles of H3O+ or OH - must you add per liter of HA solution to adjust its pH from 9.80 to 8.91? Assume negligible volume change.
Why was anhydrous, not wet, diethyl either used in the prepeatation and reaction of the Grignard reagent?
The solubility of silver sulfate in water is 0.223% (w/v) at 35°C. Calculate the solubility product of this salt at this temperature
Plot the normalized particle in a box wavefunctions for an electron in a box of 1210 pm for n=1-6 on the same plot. Are any patterns evident? what is the probability of finding an electron in the middle 605 pm for n=6
Sodium cyclamate, NaC6H12NSO3, was a popular nonsugar sweetener until it was banned by the Food and Drug Administration. Its sweetness is about 30 times that of sugar (or sucrose, C12H22O11).
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