lead nitrate [′led ′nī‚trāt] (inorganic chemistry) Pb(NO3)2Strongly oxidizing, poisonous, water- and alcohol-soluble white crystals that decompose at 205-223°C; used as a textile mordant, paint pigment, and photographic sensitizer and in medicines, matches, explosives, tanning, and engra...
High purity lead iodide (PbI 2 ) is prepared by precipitation of lead nitrate (Pb(NO 3 )) and potassium iodide (KI) solutions. Thoroughly dried PbI 2 is then zone refined. The main impurity causing a strong adherence of solidified melt to the glass ampoule wall is identified to be lead...
Give the formula for potassium nitrate. Is this compound ionic or covalent? What is the formula for the ionic compound formed from the hydrogen phosphate anion (HPO42-) and the cation Zn2+? Classify the compound N2F4 as ionic or covalent. What is the name of this compound? Write...
Here a modifier is required to delay atomisation until “nearly-isothermal” conditions have been established in the furnace and to remove the interferences due to organic carbon. Various modifiers have been investigated, although the combination of palladium chloride and magnesium nitrate has been ...
The K_sp for lead iodide (PbI_2) is 1.4 times 10^-8. Calculate the molar solubility of lead iodide in water. The Ksp for lead (II) iodide is 1.4*10^-8. Calculate the solubility of lead (II) iodide in each of the following: a. water b. 0.10 M ...
nitrate is 2 to 3 times higher than potassium sulphate (SOP). kno3.org 硝酸钾的最大溶解度比硫酸钾(SOP)的高2至3 倍。 kno3.org [...] information and knowledge, equal access to quality education and the promotion of cultural diversity, should continue to inspire and guide the elaborati...
Pb + 2OH¯ + 2H2O → Pb(OH)42¯ + H2 Lead combines with fluorine, chlorine, and bromine, forming bivalent lead halides: Pb + Cl2 → PbCl2 Fusion with sulfur at elevated temperatures yields lead sulfide, PbS. The metal is oxidized to PbO when heated with sodium nitrate at elevated...
Convert to nitrate using nitric acid; evaporate, then saturate with H2S; wash and dry the sulfide and ship to the supplier. Consult with environmental regulatory agencies for guidance on acceptable disposal practices. Generators of waste containing this contaminant (≥100 kg/mo) must conform with ...
Lead bromide is prepared by treating an aqueous solution of lead nitrate with hydrobromic acid or with sodium or potassium bromide: Pb2+ + 2Br¯ → PbBr2 The solution is allowed to stand to let the precipitate settle. The compound also may be obtained by adding lead carbonate or lead mon...
Determine the Ksp of lead (II) chloride {eq}(PbCl_2) \text{ at } 25^oC, {/eq} if the molar solubility of {eq}PbCl_2 {/eq} is 0.0143 M. Solubility Equilibrium: For salt compounds with poor solubility in water the dissociation is expressed...