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Milk of Magnesia is actually a suspension (that's why instructions often mention shaking before use) of solid Mg(OH)2. 1.00 liter of solution of 0.055 moles of Mg2+ is held at a pH of 7.00. Would a precipitate form? If so, what fraction of the original 0.055 molar Mg2+ would precipitate at that pH? Ksp = 5.61 x10-12
Mg(OH)2 (s) → Mg2+ (aq) + 2 OH- (aq)
(B) At pH = 10.00, would there be precipitation? If so, what fraction of the original 0.055 M Mg2+ precipitate?
Write out a complete reaction mechanism for the synthesis of the 1,2-diphenyl-1,2-ethanediol acetal from 1,2-diphenyl-1,2-ethanediol and 2,2-dimethoxypropane in the presence of acid
Explain a vitamin tablet was dissolved in a 500mL flask. 50mL of this solution was transferred to a 100mL flask as well as filled to the line. Explain how many mg of Fe are in the tablet if the concentration of Fe is 2.83 g/mL in the 100 mL flask
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Historically, the solid residue that is left after the Dichloromethane -or methylene chloride (CH2Cl2 )solution is evaporated has a lower melting point that its literature value, due to impurities.
A 24.9 mL volume of HCl reacts completely with 55.0 mL of aqueous Na2CO3. The reaction is as follows: 2HCl (aq)+ Na2CO3(aq) ->CO2(g)+H2O(l)+2NaCl(aq) The volume of CO2 formed is 141 mL at 27°C and 742 mmHg.
A three component solution is made by adding 0.300 moles of CH3CN and 0.400 moles of C3H6O to 0.350 moles of CS2. The mixture behaves as an ideal mixture. What is the vapor pressure of the solution?
In hydrogen bonding does the Hydrogen have to be connected to an O, N or F in its own molecule and be bonded to a O, F or N with another hydrogen
Utilizing a periodic table, arrange the subsequent substances according to their expected lattice energies, listing them from lowest lattice energy to the highest: LiCl, KCl, KBr, CaO. Use the appropriate symbol to separate substances in the list..
magnesium sulphate MgSO4 has an observed osmotic pressure =7.6 atm at the temperature of twenty five degree celsius. Determine the observed van't Hoff factor?
Utilize the subsequent data compute the heat of reaction for the production of coal gas- 2 C(s) + 2 H2O(g) CH4(g) +CO2(g)
For the following precipitation reactions, calculate how many grams of the first reactant are necessary to completely react with 54.0 grams of the second reactant.
A 1.07g sample of a noble gas occupies a volume of 363mL at 35C and 678mmHg. Indentifythe noble gas in this sample
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