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Why is NH4 more likely to give a precipitate with PO4
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- Why does the Ni(dmg)2 precipitate not form if too much ammonia solution is added?Calculate the minimum concentration of Cr3+ that must be added to 0.095 M NaF in order for chromium(III) fluoride to precipitate. (For CrF3, Ksp = 6.6 × 10–11.)Why is Mg2+ Most likely to give a precipitate with PO43- explain the answer
- Give the formula of a compound which will give a precipitate with KI and K3PO4? a. ZnCl2 b. NaBr c. NiSO4 d. Pb(NO3) 2What do the ions that gave a precipitate when mixed with AgNO3 have in common?Which ion below is most likely to give a precipitate with PO4 3- ? And explain why NH 4+ H+ Cs+ Mg 2+ NO -3 F- C2H3O2 - SO4 2-
- what do the ions that gave a precipitate with (nh4)2co3 and na3po4 have in common?Which of the following reacts with HCl to form a white precipitate? Ag+ Pb2+ Hg22+ all of the aboveGive the formula of a compound which will give a precipitate with KI and K3PO4? SOLUBILITY RULES Solubilities of ionic substances in water: 1) All salts of Na+, K+, NH4+ are soluble in water. 2) All salts of NO3-, CH3COO- (C2H3O2-) are soluble in water. 3) All salts of Cl-, Br-, I- are soluble in water (except Ag+, Pb2+, Hg22+ ) 4) All salts of SO42- are soluble in water ( except Ba2+, Pb2+, Sr2+) SO42- of Ca2+, Ag+, Hg22+ are slightly soluble in water. 5) All salts of CO32-, PO43- are insoluble in water (except Na+, K+, NH4+) 6) All salts of S2- are insoluble in water ( except Na+, K+, NH4+, Ba2+,Ca2+, Mg2+, Sr2+) 7) All salts of O2-, OH- are insoluble in water ( except Na+, K+, NH4+, (Ba2+)) OH- of Ca2+, Sr2+, (Ba2+) are slightly soluble in water OH- of Mg2+ is very very slightly soluble in water STRONG ACIDS STRONG BASES HCl LiOH HBr…
- 1. How is complete precipitation assured in the Group III Cations? 2. In the confirmatory test of Magnesium ion, why is it necessary to heat the centrifugate in water bath for 5 minutes? 3. If Magnesium hydroxide is a white gelatinous precipitate, why is the confirmatory result indicated a blue precipitate?What is the maximum concentration of Ni²⁺ that can be added to a 0.00130 M solution of Na₂CO₃ before a precipitate will form? (Ksp for NiCO₃ is 1.30 × 10⁻⁷)If a sample of silver coin weighing 0.2500 g gives a precipitate of AgCl weighing 0.2991 g, What wt of AgI could have been obtained from the same wt of sample?