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Some Basic Concepts of Chemistry · 2020 · 9 Jan · Shift 1

2 Chemistry questions from this JEE Main paper
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Some Basic Concepts of Chemistry · 2020 · 9 Jan · Shift 1

2 Chemistry questions from this JEE Main paper

  1. Q13.The molarity of HNO3​ in a sample which has density 1.4 g/mL and mass percentage of 63% is ​. (Molecular Weight of HNO3​ = 63)
    Chemistry · Some Basic Concepts of Chemistry · Numerical
  2. Q14.The hardness of a water sample containing 10–3 M MgSO4​ expressed as CaCO3​ equivalents (in ppm) is ​. (molar mass of MgSO4​ is 120.37 g/mol)
    Chemistry · Some Basic Concepts of Chemistry · Numerical