4. Suppose you were given a test tube that might have a mixture of bath CI and C

Question

4. Suppose you were given a test tube that might have a mixture of bath CI and Co,. 4. Suppose you were given a test tube that might have a mixture of both Cr and COs. If you added 18 M H SO, to the tube, could you positively prove that BOTH anions were present? Yes or no and why? The solutions used for question sa through 5.c., contain one or more of the following anions: So. co, Br NO, a. No precipitate is observed upon addition of 0.2 M BaCl2. What anion(s) may be present? b. No precipitate is observed upon the addition of 0.1 M AgNOs and 3 M HNO. What anion may be present? In two separate tests, a precipitate is observed upon the addition of AgNO, and with BaCh. Both of these precipitates dissolve in 3 M HNO,. be present? c. What anion(s) may

Explanation / Answer

4. H2SO4 reacts with both the ions to form HCl (stronger acid) and SO4- and H2O and CO2.

5. a. Bromide and nitrate salts of barium are soluble in water.

b. Nitrate of silver is only soluble salt. Therefore, the ion prrsenp may be a nitrate.

c. Carbonates of both silver and barium are insoluble in water making their respective precipitates and are soluble in HNO3.

Related Questions

Navigate

• Browse (All)
• Browse 4
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.