1.) What is the pH of a 2 L solution of 0.15 M HCl?
2.) Predict the sign of
A)Positive
B)Negative
C) = 0
D)Not enough information to determine
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Calculate the pH after 0.15 mole of NaOH is added to 1.07 L of a solution that is 0.59 M HNO2 and 1.05 M KNO2, and calculate the pH after 0.30 mole of HCl is added to 1.07 L of the same solution of HNO2 and KNO2. 0.15 mole of NaOH __________ 0.30 mole of HCl __________
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What is the pH of a solution made by mixing 40.00 mL of 0.100 M HCl with 35.00 mL of 0.100 M KOH? Assume that the volumes of the solutions are additive. 1.64 10.00 12.36 13.36 2.17
a. Calculate the pH of 200 mL of a 1.50 M solution of HCl? b. What mass of LiOH must be added to 750.0 mL of 0.0550 M HCl to produce a solution having a pOH of 11.500? c. A chemist had 2.000 L of a 0.00120 M KOH solution. What mass of HCl(g) would have to be added to the KOH solution to produce a solution having a pH of 10.875?
A solution is prepared by adding 20.0 mL of 0.15 M HCl to 80.0 mL of 0.20 M NH3. Ka(NH4+)= 5.8 x 10-10 a. Is this solution a buffer? Why or why not? b. What is the pH of the solution?
Find the pH of a solution prepared from 1.0 L of a 0.15 M solution of Ba(OH)2 and excess Zn(OH)2(s). The Ksp of Zn(OH)2 is 3×10−15 and the Kf of Zn(OH)2−4 is 2×1015.
A solution of HCl is prepared by diluting 25.0 mL of a 1.0 M HCl solution with enough water to make 750 mL of HCl solution. (Show your work for all calculations!) a) What is the molarity of the HCl solution? b) What is the [H3O+] and the pH of the HCl solution? c) Write the balanced chemical equation for the reaction of HCl and Ba(OH)2 d) How many milliliters of the diluted HCl solution is required to completely react...