analytical chemistry
37% weight of HCl and density is 1.1g/ml. find molarity of HCl
Presence of small concentrations of appropriate electrolyte is necessary to stabilize the colloidal solutions. However, if the electrolytes are present in higher concentration, then the ions of the electrolyte neutralize the charge on the colloidal particles may unite
Superphosphate has the formulate: CaH4 (PO4)2 H2O calculate the percentage of Phosphorus in this chemical. Show your calculations
Karl Scheele, the Swedish chemist, was
Can you please illustrate that HCl is polar or non-polar? Briefly illustrate it.
The following mixture of hydrocarbons is obtained as one stream in a petroleum refinery. Q : Haloalkane how haloalkane can be how haloalkane can be prepared by refluxing alcohol with hydrohalic acids
how haloalkane can be prepared by refluxing alcohol with hydrohalic acids
Choose the right answer from following. Molar concentration (M) of any solution : a) No. of moles of solute/Volume of solution in litre (b) No. of gram equivalent of solute / volume of solution in litre (c) No. of moles os solute/ Mass of solvent in kg (
Choose the right answer from following. The vapour pressure lowering caused by the addition of 100 g of sucrose(molecular mass = 342) to 1000 g of water if the vapour pressure of pure water at 25degree C is 23.8 mm Hg: (a)1.25 mm Hg (b) 0.125 mm Hg (c) 1.15 mm H
The boiling point of a solution of 0.11 gm of a substance in 15 gm of ether was found to be 0.1oC higher than that of the pure ether. The molecular weight of the substance will be (Kb = 2.16) (a) 148 &nbs
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