QUESTION 7 1 points Save Answer Two beakers of clear liquid are sitting on the l

Question

QUESTION 7 1 points Save Answer Two beakers of clear liquid are sitting on the lab bench. One beaker contains HCl(aq) and the other contains HNO3(aq) but unfortunately the labels have fallen off, so nobody knows which one is which. Four salts are also sitting nearby (in labeled bottles). Which of these four salts could be used to distinguish the two acids? Pb(NO3)2 Ca(NO3)h O Zn(NO3)2 LiNO3 QUESTION 8 3 points Save Answer Three salts are about to be tested for solubility in water, reactivity with acid and reactivity with base. Complete the following table with the terms ppt, aq or gas depending on the predicted product. H20 HCI NaOH Reagent: NiCl2 NaNO2 Mg(OH)2 QUESTION 9 1 points (Extra Credit) Save Answer Three salts - AgNO3, NH4CI and Na3P04 are each dissolved in a small amount of water (about 1 mL). There are no other chemicals available besides these three solutions. How many of the salts can be identified with certainty? How? T TT Arial 3 (12pt)

Explanation / Answer

Question 7 has been answered the salt will be Pb(NO3)2

Question 8,

NiCl2

Water ---- aq

HCl --------aq

NaOH------- ppt, will produce Ni(OH)2

for NaNO2 :

water -------- aq

HCl ---------- gas, there will be production of NO and NO2

NaOH ------- aq

Mg(OH)2

water ---------- ppt, insoluble salt

HCl ----------- aq

NaOH ----------- ppt, the OH ion decreases solubility

Related Questions

Navigate

• Browse (All)
• Browse Q
• Subjects

---

---

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