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Explain how many grams of sucrose should be added to 355g of water to produce a solution that is 0.92% (m/m) sucrose?
What is the maximum amount of carbon dioxide that can be produced by the combustion of 0.450g of C2H5OH?
An acre-foot of water Covers an acre to a depth of exactly 1 ft. An acre is 4840 yd2. An acre- foot is enough water to supply two typical households for 1.00 yr. (a) If desalinated water costs $1950 per acre- foot, how much does desalinated water ..
Calculate the pH for each of the following cases in the titration of 50.0 mL of 0.140 M HClO(aq) with 0.140 M KOH(aq). The ionization constant for HClO can be found here.
1,10 phenanthroline forms a bright red complex with iron(II). the complex has an analytical wavelength of 510nm and has a high molar absorptivity. hydroxylamine hydrochloride is added to keep the iron in a reduced +2 state
the vapor pressure of chlorine dioxide clo2 nbsp is 155 torr at -22.75nbsp ? c and 485 torr atnbsp 0 ? c. what is the
an 11.0-g of NaCl is dissolved in 125 g of water, with both substance at 25.0'C. calculate the final temperature of the solution assuming no heat lost to the surrounding and assuming the solution has a specific heat capacity of 4.18J/'C g
Calculate the number of moles of ions produced when one mole of Co(NH3)4Cl3 is dissolved in water.
an automobile gasoline tank holds 49kg of gasoline. when the gasoline burns 172kg of oxygen are consumed and carbon
Antacid tablets are made from a variety of compounds. Sodium bicarbonate, magnesium hydroxide and calcium carbonate to name a few.
calculate the composition of the vapor phase at 25 °C if the vapor above the liquid phase is composed only of 1-propanol and 2-propanol
Which of the following are ways that catalysts can speed up reactions rates? You must check all answers that apply. A) Speedup the reaction without changing k. B) Decrease the energy of activation. C) Change the path of the reaction.
50.00 mL of wastewater is diluted with 100.0 mL of distilled water as well as then titrated using the Mercuric Nitrate method. A diphenylcarbazone endpoint is reached after addition of 14.31 mL of 0.01962 M Hg(NO3)2. Define what is the chloride co..
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