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If a 0.3146-g sample of a mixture of NaCl(s) and KBr(s) was dissolved in water. Then the resulting solution required 53.60 mL of 0.08765 M AgNO3(aq) to precipitate the Cl-(aq) and Br-(aq) as AgCl(s) and AgBr(s). Compute the mass percentages of NaCl(s) and KBr(s) in the mixture.
How many grams of oxygen are combined with 75 g of iron to make the iron (II) oxide compound
The NaHCO3 is the limiting reactant and the HCl is the excess reactant in this experiment. Determine the theoretical yield of the NaCl product.
Calculate the pH of the buffer that is produced when 5.00 grams of boric acid (HBH2O3 molecular weight =61.84g/mol, Ka = 5.83x10-10) is added to 250. ml of 0.100 M NaOH.
What monatomic ions do sulfur (Z = 16) and aluminum (Z = 13) form. using the format [Cu]+ for Cu+ and [Cu]2+ for Cu2+.)
Ethylene glycol is used as automobile antifreeze. 6.38g og this compound contains 2.47g of carbon and 0.620g of hydrogen. The rest is oxygen. The molar mass is 62.0g/mole.
With a mixture containing metal cations Cu (+2 charge), Cr (+2 charge), and Fe (+3) charge, all of which are attached to a NO3 ion.
How will each of the following affect the measured vapor pressure in comparison to the actual vapor pressure of your liquid (increase, decrease, no change)
The molarity of SO42- in a saturated solution of SrSO4 was determined to be 0.000500 M. Calculate the solubility product constant (Ksp) for SrSO4. SrSO4 (s) Sr2+ (aq) + SO42- (aq) Molar Mass (g/mol) SrSO4 183.68
What is the molarity of a solution that contains 75.0g of KNO3 dissolved in 0.350L of solution
Aliphatic esters have carbonyl stretches that absorb around 1750 - 1735 cm-1. Unstrained aliphatic ketones have carbonyl stretches that absorb around 1715 cm-1. Explain this observation.
calculate the volume of reagent required for the reaction, assuming the starting mass of copper used is 1.00g.
A solution is made by combining 15.0 mL of 18.0M acetic acid with 5.50g of sodium acetate and diluting to a total volume of 1.50 L. Calculate the pH of the solution.
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