Recently Replied Questions

• stoichiometry
  if 100 ml of the acid is neutralised by 100 ml of 0.4M NAOH,the purity of concentrated HCL is?specific gravity=1.6 ...
  0·5· #Chemistry#Physical Chemistry
  replied2009-04-06 02:50:29
• US national chemistry olympiad question
  a student finds that 31.26ml of a 0.165M solution of Ba(OH)2 solution is required to just neutralise 25ml of citric acid[H3C6H5O7.WHAT is the concentration of the solution? ...
  0·1· #Chemistry#Physical Chemistry
  replied2009-04-06 02:25:42
• stoichiometry
  if 100 ml of the acid is neutralised by 100 ml of 0.4M NAOH,the purity of concentrated HCL is?specific gravity=1.6 ...
  0·5· #Chemistry#Physical Chemistry
  replied2009-04-06 01:44:06
• stoichiometry
  if 100 ml of the acid is neutralised by 100 ml of 0.4M NAOH,the purity of concentrated HCL is?specific gravity=1.6 ...
  0·5· #Chemistry#Physical Chemistry
  replied2009-04-05 06:32:33
• volumetric
  40 ml of 0.05M sesqui carbonate is titrated against 0.05MHCL . xml of hcl is used when phenophthelene is the indicator and y ml HCLis used when methyl orange is used as an indicator in two separate titrations.Hence y-x is equ ...
  0·2· #Chemistry#Physical Chemistry
  replied2009-04-05 06:30:07
• volumetric analysis
  volumetric analysis 1.6 g of pyrolusite was treated with 60 ml of normal oxalic acid and some sulphuric acid .the oxalic acid left undecomposed was made upto 250ml ,25 ml of this solution required 32ml of 0.1Npottasium perman ...
  0·5· #Chemistry#Physical Chemistry
  replied2009-04-05 04:45:24
• stoichimetry
  a sample of hydrochloric acid contains 20% of hydrocloride by mass .how many grams of this acid sample is necessary to completely interact with 50 g of calcium carbonate? ...
  0·3· #Chemistry#Physical Chemistry
  replied2009-04-05 04:31:03