CBSE Class 11-science - Mass and Stoichiometry Videos

• calculate the volume occuped by 28u of nitrogen gas
• Find volume occupied by 1 molecule of He (g) at STP.
• what volume of 0.2 M sulfuric acid is required to neutralize 25ml of 0.1 NaOH solution?
  
• 1 mol of ferric oxalate is oxidised by x mol of MnO4?−  and also one mol of ferrous oxalate is oxidised by y mol of  MnO4?− in acidc medium . ratio x/y is ? answer in simple words pleasee
  
• convert 5.6g/cm3 into kg/m³
• 0.315g of organic compound gave on combustion 0.4131g of water and 0.6732g of carbon dioxide calculate the percentage of carbon and hydrogen
• IS ALL PHYSICAL QUANTITIES WHICH ARE MEASUREBLE ARE MATTER OR NON MATTER?
• 0.38g of NaOH is dissolved in water to prepare 50 ml solution. calculate the molarity of the solution
• molecular mass
• 324g of 20% by mass of Ba(OH)2 solution
  

Queries asked on Sunday & after 7 pm from Monday to Saturday will be answered after 12 pm the next working day.