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1) What is the percent by mass of a solution in which 60. g of NaOH are dissolved in sufficient water to make 100 g of solution?
2) What is the percent by mass of a solution if 60. g of acetic acid are added to 90. g of water?
For each of the reactions, calculate the mass (in grams) of the product formed when 15.51g of the underlined-?vAssume that there is more than enough of the other reactant.
Show how to produce 2-methoxy-1-butanol from the epoxidation of 1-butene. The reaction was carried out in methanol.
The vapor pressure of pure liquid A at 300K is 575torr and that of liquid B at 300K is 390torr. The molar volume of A is 0.0262L/mol and that of liquid B is 0.0306L/mol. Calculate the final partial pressures of A and B in the gas phase.
what fraction of this side chain is positively charged and what fraction is neutral at pH 7.2?
A compressed nitrogen cylinder from Praxair has a volume of 43.0L and a maximum pressure of 2265 psi. Assuming that the temperature is 293K
What was the composition of the mixture of Mg and Zn expressed as percent by mass? If the volume of acid used was 100 mL, what were the final molar concentrations of MgSO4 and ZnSO4?
The inventor proposed the revolutionary design of the new engine based on the heat stored in the ocean. The inventor plan is to mount it on a boat in San Francisco and set off on a journey across the Pacific Ocean. Heat is extracted from the ocean
what is the concentration of glyceraldehyde-3-phosphate? Assume a temperature of 25.0 °C. The constant R = 8.3145 J/(mol·K)
draw all the possible steroisomers of 1,2,3,4,5-pentachloropetane and assign configurations to all stereogenic centers. Label each as either optically
Autoclave that are used to sterilize surgical tools require a tempereature of 120 degree to kill bacteria. At what presure must they operate?
Calculate w (in kJ) when 376 g iron (III) oxide (MM = 159.7 g/mol) reacts with excess carbon to produce carbon dioxide gas at 335 K:
If 200. mL of aqueous 0.862 M HCl is mixed with 200. mL of aqueous 0.431 M Ba(OH)2 in a constant-pressure calorimeter of negligible heat capacity. The initial temperature of both solutions is the same at 20.48ºC.
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