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Problem- What hydrogen ion concentration should be required to dissolve 0.10 M MgF2 if the Ksp for magnesium flouride is 6.8*10^-9and Ka for HF is 6.5*10^-4?
Write your solution in appropriate format and provide references
How many grams of phosphorus react with 38.1 L of O2 at STP to form tetraphosphorus decaoxide. P4(s) + 5 O2(g) P4O10(s)
Styrene, a compound substance used to make Styrofoam® cups and insulation, contains 92.3 and 7.7 by mass and has a molar mass of 104 . What's the empirical formula?
What small molecule is eliminated during the dehydration reaction when acetaldehyde is heated in the presence of KOH
a student designs an ammeter a device that measures electricalcurrent that is based on the electrolysis of water into
the reactant concentration in a first-order reaction was 6.80times10-2 m after 10.0 s and 4.40times10-3 m after 65.0s.
Are the color changes that accompany heating as well as cooling of the equilibrium mixture in agreement with Le Chatelier's principle. Explain
calculate how many grams of the product form when 2.6g of CaO completely reacts CaO(s)+CO 2 (g)?CaCO 3 (s) For the reaction, calculate how many grams of the product form when 2.6g
nbspif an amount of heat 6.824 kj of is added to a coffee cup calorimeter containing 54.55 grams ofnbspwater in
antimony is alloyed with lead to increase the rigidity ofcomponents used in the construction of lead storage
Aminabhavi et al. [T. M. Aminabhavi, V. B. Patil, M. I. Aralaguppi, J. D. Ortego and K. C. Hansen, J. Chem. Eng. Data 41, 526 (1996)] examined mixtures of cyclohexane with various long-chain alkanes.
1-Complete the following reaction: Pb-210 decays by emission to form what new necleus? Write the complete nuclear equation.
How many planes of symmetry does a benzene molecule possess? What chloro-substituted benzene of formula C6HnCl6-n has exactly four planes of symmetry
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