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Copper (II) fluoride contains 37.42% F by mass. Use this percentage to compute the mass of fluorine in grams contained in 28.5 g of copper (II) fluoride
electron affinities usually become more negative from left to right across a period but n is an exception. explain with
Diet cola drinks have a pH of about 3.0, while milk has a pH of about 7.0. How many times greater is the H3O+ concentration in diet cola than in milk
Calculate the experimental percent by mass of copper in the sample and the theoretical mass percent of copper in copper (II) acetate monohydrate.
a 5050 blend of engine coolant and water by volume is usually used in an automobiles engine cooling system. if your
What is a balanced equation to represent the formation of the precipitate formed between lead (II) and chloride
What is the molarity of a 50% (by mass) NaOH. How did you find this value? Using this molarity, show that 13ml of 50% by mass NaOH diluted to 2200ml with distilled water yields a solution that is about 0.1M NaOH.
How much heat is required to warm 229 g of ice from -47.1°C to 0.0°C, melt the ice, warm the water from 0.0°C to 100.0°C, boil the water, and heat the steam to 173.0°C?
If all the energy obtained by by burning 1.26 lb of butane (fuel value is 10.85 kcal/g) is used to heat 126.0 kg of water at an initial temp of 19.7C, what is the final temperature.
Will the boiling point of a solution of 10 g of NaCl (which has no appreciable vapor pressure at 100 oC) in 100 mL of water be higher than, lower than
Calculate the wavelength of the n=4 to n=1 and the n=4 to n=3 transitions. Indicate in which regions of the electromagnetic spectrum these transitions would occur.
A solution contining AgNO3 is mixed with a solution of NaCl to form a solution that is 0.10 M in AgNO3 and 0.075 M NaCl. What will happen once these solutions are mixed? Ksp(AgCl) = 1.77×10-10.
what is the resulting pH when mixing 200.0mL solution of 0.50 N HCl (strong acid) with 300.0mL solution of 0.45 M KOH (string base)
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