What is the density and molar mass for stearic acid?
Sulfurous acid is unstable in aqueous solution and gradually decomposes to water and sulfur dioxide gas (which explains the choking odor associated with sulfurous acid solutions) H2SO3 (ag)H20()SO2 (g) If 7.20 g of sulfurous acid undergoes this reaction, what mass of sulfur dioxide is released? g SO2
Which of following could be used to make a buffer with sulfurous acid, H2SO3? O sulfurous acid cannot make a buffer O sulfate ion hydrogen sulfite (bisulfite) ion O sulfite ion
6. What is the difference between equivalent mass and molar mass? 7. A triprotic acid has the molecular formula H2CH3O7. a. What is the molar mass of this acid? 192. 1235 almal b. What is the value of the equivalent mass for this acid?
Compare the following: Acid 1: carbonic acid , H2CO3 Acid 2: sulfurous acid , H2SO3 Acid 3: hydrosulfuric acid , H2S What is the formula for the strongest acid ?
Sulfurous acid (H2SO3) is a diprotic acid. How many milliliter of 0.1208 M NaOH is required to neutralize 0.3121 L of 0.1112 M sulfurous acid? [Hint: How many moles of NaOH would react with 1 mole of sulfurous acid?]
please answer this from periodic table and periodic law chemistry lab 4. Sulfurous Acid and Sulfuric Acid a. What does the litmus test indicate about the chemical stability of sulfurous acid? Aucu b. What is the gas that is generated? c. Write an equation for the decomposition of sulfurous acid. d. What does the litmus test indicate about the chemical stability of sulfuric acid? Acid e. What chemical properly differentiates sulfurous acid from sulfuric acid?
11. What is the molar mass of an unknown triprotic acid if 0.251 g of the unknown acid requires 25.08 mL of 0.142 M NaOH to titrate it? 12. Describe how to prepare a 250mL 0.350M of oxalic acid solution using oxalic acid dihydrate solids (H2C204.2H20, molar mass = 126.06g/mol) You need to describe appropriate glassware in your preparation. 13. Describe how you would prepare 500. mL of 0.10M of HCl solution from 3.0M of HCI stock solution. You need...
Given a .210 g sample of a diprotic acid of unknown molar mass: If the acid is dissolved in water and titrated with .241 M KOH it takes 10.5 mL of base to reach the equivalence point. What is the molar mass of the solution?
What is the pH of a 0.148 M solution of sulfurous acid? (Ka1 = 1.7 x 10-2 and Ka2 = 6.2 x 10-8).