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Antitumor agent, cisplatin, Pt(NH3)2Cl2 is prepared from the following reaction: K2PtCl4 + 2 NH3 ? Pt(NH3)2Cl2 + 2 KCl Assume that 10.0 g of K2PtCl4 reacts with 10.0 g of NH3. (a) Which reactant is limiting and which is in excess? (b) How many grams of the excess reactant are consumed? (c) How many grams of cisplatin are formed?
To identify a diatomic gas (X2), a researcher carried out the following experiement. She weighed an empty 4.2L bulb, then filled it with the gas at 1.30atm and 23.0C and weighted it again. The difference in mass was 6.3 g. Identify the gas
when 284.5 g of ethylene c2h4 burns in oxygen to give carbon dioxide and water how many grams of co2 are
Enough of a monoprotic acid is dissolved in water to produce a 1.59 M solution. The pH of the resulting solution is 2.88. Calculate the Ka for the acid. Ka=?
When completely filled with water, the beaker and its contents weigh 297.65 g. Use d=100 g/mL as the density of water. What volume does the beaker hold?
What functional groups can you identify within the coumpounds; dioxin, Furan, Hexachlorobenzene, what structural features
At a winery, glucose (C6H12O6) in grapes undergoes fermentation to produce ethanol (C2H6O) and carbon dioxide. C6H12O6 ---> 2C2H6O + 2CO2A: How many moles of glucose are required to form 128g of ethanol?
Calculate the pH of an aqueous solution prepared to contain 1.3 x 10^-3 M sodium nitrite (NaNO2) if the acid dissociation equilibrium constant, Ka, for nitrous acid (HNO2) is 5.1 x 10^-4.
Use the Henderson and Hasselbalch equation to calculate the pH of a buffer solution that is 0.45 M in NH4Cl and 0.15 M in NH3
The first ionization energy of Bismuth is E_i1 = +703 kJ/mol. What is the longest possible wavelength of light that could ionize an atom of bismuth
0.000333 g fluorescein (332.32 g/mol) is dissolved in 225 mL solution of ethanol. The density of ethanol is 0.785 g/mL. What is the concentration of the solution in molarity (M)
What stretches (presence and absence) will distinguish the product (cyclohexene) from the starting material (cyclohexanol)? Give the functional group and wavenumbers
A certain laser uses a gas mixture made up of 9.00 g HCL, 2.00g H2, and 165.0g Ne. What pressure is exerted by the mixture in a 75.0 L tank at 22 degree C?
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