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Every precipitate will be collected using a Hirsch funnel. Make definite that the plastic frit disc is firmly snapped in place in your focus. Replacement frit discs are available in case it become clogged or otherwise broken. Attach the funnel to a filter flask, using the neoprene adapter to ensure a good seal among the funnel and the flask. Attach the filter flask to your vacuum line and turn the vacuum on. Swirl the precipitate in solution and quickly pour the mixture onto the filter (while the solids are still suspended). Rinse the precipitate with a minimal amount of ice-cold water. Leave the space on until the precipitate is dry (~5 min.), and take note of the mass.
what is a microscope
The shape of d xy orbital will be: (1) Circular (2) Dumb-bell (3)Double dumb-bell (4) Trigonal Ans: Double dumb-bell
explain about is shrotely
Question Table 1 shows the specific rate of breakage S j and the values of the breakage distribution function b(i,j) of a mineral ore in a ball mill. Table 2 shows the size di
Respected Mam/Sir Please tell me the detailed inforamtion about lubricant in metal rubbing
The freezing point of ethylene glycol is -3.2 degree-Celcius. How many grams of ethylene glycol is required in 150 L of water to achieve such temperature?
esters IR Spectrum
Nomenclature of organic compounds - Trivial System The meaning of Nomenclature is assignment of names to organic compounds. There are two major systems of nomenclature of org
x gram of metal reacts with chlorine to form y gram of metal chloride.calculate equivalent mass of metal.
Which of the following is always a whole number : (1) Atomic weight (2) Atomic radii (3) Equivalent weight (4) Atomic number Ans: Atomic number
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