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1. Which of the following are considered to be week acids?
HNO3
HCIO3
H2SO3
HI
2. Write a balanced equation for each of the following neutralization reactions.
a. Ammonium hydroxide with chlorous acid
b. Sulfurous acid with potassium hydroxide
c. Lithium hydroxide with phosphoric acid
d. Hydrbromic acid with calcium hydroxide
3. What volume of concentrated acetic acid, HC2H3O2 (17.4 M) will be needed to prepare 50.0 mL of 0.85 M (approximate concentration of vinegar) acetic acid?
4. How many grams of potassium hydrogen phthalate (KHP) will be required to titrate 15 mL of 0.122 M NaOH solution?
A sample of 0.836 gm of unknown compound containing barium ions ( Ba2+) is dissolved in water and treated with an excess of Na2SO4. If the mass of BaSo4 precipitate formed 0.7403 gm, What is the percent by mass of Ba in the original unknown compou..
1)Determine melting point--Why would you do a mixture melting point. 2)Determine melting point-What signifies the beginning and end of the melting range. 3)Solubility -How does miscibility relate to solubility
barium is reactive with water. in fact all metals in this group are quite reactive with water. can you names some other
Calculate the concentration of a NaHCO3 (in water) solution in several ways and are given the following information: 25 g NaHCO3, 500 mL solution. (a) Calculate the mass/volume percent concentration.
Calculate the molarity (M) of a solution of the strong base RbOH if the pH is 10.4.
If one component of a solution follows Raoult's Law subsequently the other component must also obey the same law. Intermolecular forces are small in ideal solutions.
Problem- Cryolite, Na3AlF6(s), an ore used in the production of aluminum, can be synthesized using aluminum oxide. If 13.0 kilograms of Al2O3(s), 53.4 kilograms of NaOH(l), and 53.4 kilograms of HF(g) react completely, how many kilograms of cryolit..
If 10.00 mL of 0.050M KI solution is mixed with 40.00 mL of other reagents what would be diluted concentration of KI
hot methanol and then stored the recrystallization solution until the next lab period. What possible effect on your results due to this experimental error could take place?
A drop of the NaOH titrant adheres to the side of the buret between the initial and final readings for the titration. As a result of the "clean glass" error, will the molar concentration of the NaOH solution be reported as too high or too low. Exp..
Write the balanced chemical reaction for the reaction between hydrochloric acid (HCl) and calcium hydroxide, Ca(OH)2 when the products of the reaction are calcium chloride, (CaCl2) and water (H2O)
Question- The half-equivalence of a titration occurs half way to the end point, where half of the analyte has reacted to form its conjugate, and the other half still remains unreacted.
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