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A human body contains 6 liters of blood. The hemoglobin content of blood is about 15.5g/100 mL of blood. The approximate hemoglobin molecular weight is 64,500g/mol. How many moles of hemoglobin are present in a typical adult?
Calculate the number of moles of ions present in 15.1 g of a solution that is 6.30% MgSO4 by mass. What formula do you use for this problem?
solution should you use if you want the molarity of the Cl- (aq) ions in the solution to be 0.100 M?
How many gm of dry NH4Cl need to be combined to 2.30L of a 0.300M solution of NH3, to prepare a buffer solution of pH 8.85.
In the process of producing sparkling wine from grape juice, the sugar glucose is decomposed to form ethanol and carbon dioxide. If 23 g of C6H12O6 is fermented, what volume of gaseous CO2 will be produced at a temperature of 29°C and a pressure o..
Write a balanced net ionic equation for the reaction of each of the following aqueous solutions with H+ ions. Sodium fluoride
What is the density of a block of marble that occupies 251cm^3 and has a mass of 623g?" answer in units g/cm^3
Benzene, C6H6, is reacted with bromine, Br2, to produce bromobenzene, C6H5Br, and hydrogen bromide, HBr, as shown below. When 40.0 g of benzene are reacted with 95.0 g of bromine, 65.0 g of bromobenzene is produced.
Nicotine has an empirical formula of C5H7N and a molecular mass of 162.23. What is the molecular formula for nicotine?
What would be an appropriate reaction mechanism for these two reactions? Including electron transfer arrows.
Some sample solution was spilled into the outside of the graduated cylinder while preparing the sample, and before determining the volume.
How many moles of hydrogen gas would be needed to react with excess carbon dioxide
Calculate a) the amount of ethylene glycol required. b) the amount of by product evolved and c) the amount of polyester produced.
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