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classify each solute represented in the following equations as a strong, weak, or nonelectrolyte: a)CH3-OH(l) H2O> CH3-OH(aq). b)MgCl2(s) H2O> Mg2+(aq) + 2Cl-(aq). c) HClO(aq)<H2O> H+(aq) + ClO-(aq)
Most top-loading balances used in this experiment measure a mass only to the nearest mg(+/- 0.001 g). This significantly affects the calculation of R in the experiment
An aqueous solution containing 21.6 mg of vasopressin in 100.0 mL of solution has an osmotic pressure at 25.0 oC of 3.70 mmHg. What is the molecular weight of the hormone?
Find out the formula of the gas produced if Na 3 P(s) sodium phosphide, is reacted with H 2 O
A 300 mL stock solution contains 0.9 M Ca(CN)2. When 100 mL of the stock solution is diluted to 120 mL, how many moles of CN- ions will be contained in the dilute solution.
You have pure beta-D-glucopyranose of 100 grams nearly, it was dissolved in an ethanol/water combination with the intention to recrystallize the sugar. You get pure beta-D-glucopyranose crystals 60 grams back why this 40% loss was to happen.
A person is exposed for three days to identical amounts of two different nuclides that emit positrons of roughly equal energy. The half-life of nuclide A is 18.5 days and the half-life of nuclide B is 255 days.
A certain flexible balloon contains helium gas at 855L. Initially the balloon was at sea level and the temperature was 25 degrees Celsius with 732 torr.
A solution of ammonia and water contains 4.40×1025 water molecules and 8.30×1024 ammonia molecules. How many total hydrogen atoms are in this solution?
The reaction of 2,2-dimethyl-1-propanol with HBr is very slow and gives 2-bromo-2-methyl-propane as the major product.
How many grams of oxygen gas are required to produce 7.68 kJ of heat when hydrogen gas burns at constant pressure to produce gaseous water?
Place the following in order of increasing strength as reducing agents (all under standard conditions). (Use the appropriate symbol to separate substances in the list.) Cr3+, H2, Zn, Li, F -, Fe2+
One beaker contains 10.0 mL of acetic acid/sodium acetate buffer at maximum buffer capacity (equal concentrations of acetic acid and sodium acetate), and another contains 10.0 mL of pure water.
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