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Lactose Monohydrate 500gm
Original price was: KSh680.00.KSh600.00Current price is: KSh600.00.
Lead Shot 250gm
Original price was: KSh2,500.00.KSh2,300.00Current price is: KSh2,300.00.
Lead Bromide 500gm
Original price was: KSh6,000.00.KSh5,500.00Current price is: KSh5,500.00.
Lead BromideLead bromide (PbBrā) is an inorganic compound consisting of lead and bromine. Here are some key details about lead bromide:
Properties:
- Chemical Formula: PbBrā
- Appearance: White crystalline solid
- Molar Mass: 367.01 g/mol
- Melting Point: 373 Ā°C (703 Ā°F)
- Boiling Point: Decomposes before boiling
- Density: 6.66 g/cmĀ³
- Solubility in Water: Poorly soluble (1.03 g/100 mL at 20 Ā°C)
Structure:
Lead bromide has an orthorhombic crystal structure. In the solid state, PbBrā forms a lattice with lead ions surrounded by bromide ions.
Description
Uses of Lead Bromide
1. Chemical Reactions and Synthesis:
- Precipitation Reactions: Lead bromide is commonly used in precipitation reactions to demonstrate the formation of an insoluble salt. For example, mixing lead(II) nitrate (Pb(NOā)ā) with a bromide salt like sodium bromide (NaBr) yields a precipitate of lead bromide.
- Synthesis of Lead Compounds: It can be used as a precursor in the synthesis of other lead-containing compounds through various chemical reactions.
2. Analytical Chemistry:
- Qualitative Analysis: In qualitative inorganic analysis, lead bromide can be used to confirm the presence of bromide ions in a solution. This is done by adding a solution containing lead ions and observing the formation of a white precipitate of PbBrā.
- Stoichiometry and Solubility Studies: It is often used in experiments to study stoichiometry, solubility product constants (Ksp), and the effects of common ion and diverse ion effects on solubility.
3. Educational Demonstrations:
- Teaching Material: Lead bromide is used in educational settings to teach concepts such as solubility rules, precipitation reactions, and the properties of ionic compounds.
- Laboratory Experiments: It can be involved in laboratory experiments designed to demonstrate the properties and reactions of lead and bromide compounds.
4. Radiation Detectors:
- Detector Material: Lead bromide is used in the fabrication of certain types of radiation detectors due to its high density and effective atomic number, which makes it suitable for detecting gamma rays and X-rays.
5. Photographic Research:
- Historical Use in Photography: Historically, lead bromide was used in the production of photographic emulsions. While it is less common today due to the advent of digital photography, it may still be studied for its historical significance and properties.
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