DATE SECTION/GROUP LABORATORY DATA: LABORATORY 8 Cod ions DATA TABLES observatio

Question

DATE SECTION/GROUP LABORATORY DATA: LABORATORY 8 Cod ions DATA TABLES observation observation A write suostuna (easoy), Nohn hoppe Changed 5 Cores rms presenc. Cloudy orticipate formed brown confirms he colcim whik Pochcipate formed. I odine redtsh sting fe (I-) presence of iodine CE AF red in +veneel a brown- sodium Turned a yelvo cobr wi th Beomiu, Turned bran+ yellow. .tous Solut non Drop heald over urned milky White This in di cates blue w m and the Prosen tu ot 3 Dns. unkiaun The unuk, did not chan Cloride Turned formed white per c when adding ind eatin A-D Crum Svbsto nus, chi on de las Agcl). te cipate when a da my once s Fiom trate Brownish rings form tel ed, (NO3) warm to the tovch. No ions flame remained orange regorda, G. are present. eolor of substance did not unknan did not tha gend resudion change Ccom red. In did not cha nge no reaction th no ammonivM. th eod p: did not change Cnoreach Present Ei drop held over tumod milk vein R Laboratory E10 ve Analysis: Cat Anions and Complex lons 117

Explanation / Answer

you are right answer must be sodium carbonate.

These are the posssible reactions are as follows:

1. Ba2+ + 2K2CrO4 ------> 2BaCrO4+ 4K+

BaCrO4 + Na2CO3 --------> NO REACTION

2. Na2CO3 + CaSO4 --------> Na2SO4 + CaCO3 white precicipate

3. Na2CO3 + NaI ---------> NaI SAME color

4. NH4Br + Na2CO3 ---------> NO REACTION

Related Questions

Navigate

• Browse (All)
• Browse D
• Subjects

---

---

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