Chemistry

A is a solution of trioxonitrate (v)acid, HNO3 of unknown concentration.B is standard solution of sodium hydroxide containing 4.00g per dm3 of solution. 25 cm3 portion solution B required an average of 24.00cm3 of solution A for neutralization using 2drops of methyl orange 1 write a balanced equation for the reaction 2 calculate the concentration of solution B in moles per dm3 3 calculate the concentration of solution A in moles per dm3 4 calculate the concentration in G/dm3 of HNO3 in solution (A H=1, N=14, O=16,Na=23)

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asked by Ogbaji
  1. Moles of base per liter= 4/40
    Molarity of base= 0.1M

    Molaritybase*volumebase=MolarityAcid*volumeacid (both are monoprotic)
    0.1*25cm^3=Molarityacid*24cm^3.
    molarity acid=.1*25/24
    massacid/liter= 40*.1*25/24=4.17 grams/dm^3

  2. The IUPAC name for HNO3 is nitric acid and not that weirdo name you wrote.

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    posted by DrBob222

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