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Question- What NaCl concentration results when 209 mL of a 0.710 M NaCl solution is mixed with 407 mL of a 0.410 M NaCl solution?
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at half equivalence 12.65 ml of 0.0395 naoh is titrated with a10.00ml of a weak acid of unknown concentration. the
Consider the titration of 50.0 mL of 0.217 M hydrazoic acid (HN3) (Ka = 2.6 x 10-5) with 0.183 M NaOH. determine the pH of the solution before any NaOH is added ?
Give the two substitution products (skeletal isomers) when the following compound is added to a solution of sodium acetate in acetic acid
Explain why is it important to maintain a constant temperature in this experiment. electrophilic aromatic substitution lab
calculate the amount of heat needed to boil 50.6g of ethanol ch3ch3oh beginning from a temperature of 24.4c . round
A steam turbine receives a flow of 10,000 lb of steam per hour and delivers 500 kW in that period. Heat losses from the casing and the turbine bearings may be assumed neglible
Problem- Calculate the equilibrium distribution of Cu(II) species in a carbonate-bearing water at pH 8 where Cut = 5*10^-8 M and Ct = 2*10^-3 M
A student has three gas samples of the same volume. All the gases are at the standard temperature and pressure (273 K and 1.0 atm). If the three gases are O2, CO2, NH3, which sample contains the largest number of atoms
arrange the following in increasing order of mass.
Denoting the initial, unknown concentration CD2+, write an equation to calculate the final concentration , CD2+ considering the dilution factor, units are ppm.
draw a lewis strucutre for the molecule n4o. spectroscopic analysis of the molecule reveals that the nitrogen-oxygen
Question- Provide two differences between the DNA damage products resulting from reaction with dimethylsulfate and mustard gas.
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