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An amount of potassium acid phthalate (KHP) weighs 0.426g (KHP has molar mass of 204.3g/mol and is monoprotic, that is, reacts one-to-one by mole with NaOH) The KHP is dissolved in a small amount of water and titrated with 14.06ml of NaOH. Calculate molarity of NaOH?
A copper zincs voltaic cell is constructed using 100 ml solutions if 1 M solutions of copper sulfate and zincs sulfate with a sodium sulfate salt Bruges.
Determine the amount of heat energy lost by the same amount (40.0 g) sample of water (specific heat = 4.184 J/goC) and same temperature change.
Develop a scheme to separate Ag+, Mg2+, and Pb2+ cations in solution and draw a flow chart that depicts your scheme.
What is the magnitude of the change in pH when 1.8 g of NaOH is added to 1.00 L of a solution that is0.100 M in NH4Cl
Draw the two possible products of the reaction between benzaldehyde and methylethylketone.
How much heat is released when 105 g of stem at 100.0*c is cooled to ice at -15.0*c. The enthalpy of vaporization of water is 40.67 kj/mol, the enthalpy of fusion for water is 6.01 kj/mol, the molar heat capacity of liquid water is 75.4 kj/(mol x ..
The normal boiling point of carbon disulfide is 46.0 °C and its H°vap = 14.2 kJ mol-1. Draw a complete Lewis structure for carbon disulfide
heptapeptide upon HCL hydrolysis produced equimolar amounts of ASP, CYS, GLU, LYS, PHE, TYR, VAL and ammonia. Exposure of the intact heptapeptide to FDNB followed by hydrolysis produced DNP-VAL
The solubility of slaked lime, Ca(OH)2, in water is 0.185g/100mL. What volume of 0.00250 M HCl is needed to neutralize 11.0mL of saturated Ca(OH)2 solution
If 15 g of KClO3 are added to 200 g of water at 25 degrees celsius with stirring, how much of the KClO3 will dissolve?
1.assuming that the answer to part b is yes at what temperature will the crystals begin to appear when the students
calculate the amount of heat required to completely sublime 99.0 g of solid dry ice co2 at its sublimation temperature.
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