Question 2: Consider saturated solution of the slightly soluble salt AgBr. Is th

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Question 2: Consider saturated solution of the slightly soluble salt AgBr. Is the solubility of AgBr increased, decreased, or unaffected by the addition of each of the following substances? When HNO3 is added the solubility of AgBr will, increase? decrease? remain the same?

Question 3: Consider saturated solution of the slightly soluble salt AgBr. Is the solubility of AgBr increased, decreased, or unaffected by the addition of each of the following substances? When AgNO3 is added the solubility of AgBr will, increase? decrease? remain the same?

Question 4: Consider saturated solution of the slightly soluble salt AgBr. Is the solubility of AgBr increased, decreased, or unaffected by the addition of each of the following substances? When NH3 is added the solubility of AgBr will, increase? decrease? remain the same?

Question 5: Consider saturated solution of the slightly soluble salt BaCO3. Is the solubility of BaCO3 increased, decreased, or unaffected by the addition of each of the following substances? When HNO3 is added the solubility of BaCO3 will, , increase? decrease? remain the same?

Question 6: Consider saturated solution of the slightly soluble salt BaCO3. Is the solubility of BaCO3 increased, decreased, or unaffected by the addition of each of the following substances? When Ba(NO3)2 is added the solubility of BaCO3 willl, , increase? decrease? remain the same?

Question 7: Consider saturated solution of the slightly soluble salt BaCO3. Is the solubility of BaCO3 increased, decreased, or unaffected by the addition of each of the following substances? When CH3CO2H is added the solubility of BaCO3 will , increase? decrease? remain the same?

Question 8: Consider saturated solution of the slightly soluble salt BaCO3. Is the solubility of BaCO3 increased, decreased, or unaffected by the addition of each of the following substances? When Na2CO3 is added the solubility of BaCO3 will increase? decrease? remain the same?

Explanation / Answer

2. The addition if HNO3 will have no effect on the solublity of AgBr in the water.

3. By the additiion of AgNO3 in AgBr we will have a common ion i.e. Ag+. So according to the common ion effect the solublity will decrease.

4. The presence of NH3 increses the solublity of AgBr as it removes Ag+ ions by forming Ag(NH3)2- ions.

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