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Indicate the concentration of each of ion present in the solution formed by mixing:
(a) 42.0 mL of 0.170 M NaOH and 37.6 mL of 0.400 M NaOH
(b) 44.0 mL of 0.100 M and Na2SO4 and 25.0 mL of 0.150 M KCL
(c) 3.60 g KCl in 75.0 mL of 0.250 M CaCL2 solution.
Assume that the volumes are addictive.
If a single pill contains 0.150 grams of KCN How much HCl in grams would be necessary to consume all of the KCN
Write out the equilibrium that results when a salt solution of the conjugate base of this acid is dissolved in water. What is the equilibrium constant expression for this situation
When halogens react they tend to gain electrons rather than lose electrons. Pick the best two reasons why this occurs.
Briefly comment on the effect of solution concentration on cell potential. Note that E knot is measured using 1M solutions,
Calculate the number of [CH2CHOH] monomer units in the average strand of PVA (78,000 g/mol).
What symbol is used in a chemical equation to represent the following phrases? Select the symbol in blue and drag it into the appropriate bin
what is the major product formed from the Reaction of (3S)-3-bromo-2,3-dimethylpentane
what volume of 0.150 M KCl solution is required to react completely with 0.150 L of a 0.175 M Pb(NO3)2 solution according to the chemical reaction
What would be the product if a 1:1 mole ratio of benzaldehyde to acetone was used in an Aldol condensation?
A cell measured by a student was found to be -0.461V against a Ag/AgCl reference electrode (0.222V). What is the potential when measured against SCE and NHE
The ice at an ice skating rink has a temperature of -5C (268.15 K). Use the Clapeyron equation to calculate the pressure (in atm) that an ice skate blade must exert to permit smooth skating.
A mixture consists of lithium carbonate (Li2CO3) and potassium carbonate (K2CO3). These react with hydrochloric acid as follows.
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