How many moles of hcl need to be added
How many moles of HCl need to be added to 15.0 mL of 0.50 M NaZ to have a solution with a pH of 6.50? (Ka of HZ is 2.3e-5). Assume negligible volume of the HCl. Can you show the work too please?
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What is the maximum amount of each product that can be formed? How much of the other reagent is left over after the reaction is complete?
The freezing point of benzene is 5.5oC. What is the freezing point depression of a solution of 5.00 g naphthalene (C10H8) in 444 g benzene (Kf of benzene = 4.90oC/m)?
Considering a higher specific heat for water, what will the temperature change in the calorimeter be higher, lower, or unaffected by this technique error?
A 0.30 M solution of sucrose (C12H22O11) at 37oC has approximately the same osmotic pressure as blood. What is the osmotic pressure of blood?
A perfectly conducting plane is located in free space at x=4,and a uniform line charge of 40 nC/m lies along the line x=6,y=3.Let V=0 at the conducting plane.At P(7,-1,5) find Voltage and Electric field intensity?
The following reaction will be balanced in a acidic solution: MnO^(-)4 + H2C2O4 --> Mn^(2+) + CO2. What is one of the balanced half-reactions? oxidation or reduction half-reaction.
How many grams of glucose (C6H12O6) must be dissolved in 563 gram of ethanol (C2H5OH) to prepare a 2.40 x 10-2 m solution?
How many milliliters of concentrated hydrochloric acid solution (36.0% HCl by mass, density = 1.18 g/mol ) are required to produce 10.0 L of a solution that has a pH of 1.94?
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