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Balanced chemical equation and the net ionic equation for the reaction between aqueous solutions of AgNO3 and CaBr2 and then identify the spectator ions
8.20 grams of solute in 861 grams of water lower the freezing point to -0.430 degree celsius calculate the molecular mass of the nonionic solutes.
A 0.221 g sample of sodium carbonate was titrated to a pale yellow endpoint with HCl. What is the concentration of HCl
What is the internal energy change for the gas? Give your answer in joules (J), accurate to three significant figures.
For the following reaction, calculate the concentration of C(aq) at equilibrium when .135M B solution is alllowed to react with A.
The fat, tripalmitin, when hydrolyzed with aqueous NaOH followed by acidification with HCl yields glycerol and palmitic acid.
How many grams of antifreeze (C_2 H_4(OH)_2) would be required per 500 g of water to prevent the water from freezing at a temperature of -27 degrees celsius? answer in units of g.
calculate the molar quantity of N2 that must be generated.What molar quantity of sodium azide is required to generate this much nitrogen?
You need to produce a buffer solution that has a pH of 5.38. You already have a solution that contains 10. mmol (millimoles) of acetic acid.
how many grams of sodium lactate should be added to 1.00 l of 0.150 lactic acid or to form a buffer solution with
A vessel of volume 22.4 L contains 2.0 mol H2 and 1.0 mol N2 at 273.15K. calculate (a) the mole fractions of each component, (b) their partial pressures, (c) their total pressure , (d) the density of the mixtures.
A patient is given 0.055mg of technetium -99m, a radioactive isotope with a half-life of about 6.0 hours.
A compound contain 60.87% carbon, 4.38% hydrogen, and 34.75% oxygen then determine its empirical formula?
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