Chemical measurements, conservation of mass and the quantitative interpretation of chemical equations

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Question 26
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Calculate the percentage (%) by mass of magnesium in magnesium sulfate (MgSO4\text{MgSO}_4MgSO4​). Give your answer to 3 significant figures. Relative atomic mass (ArA_rAr​): Mg=24.3\text{Mg} = 24.3Mg=24.3. Relative formula mass (MrM_rMr​): MgSO4=120.4\text{MgSO}_4 = 120.4MgSO4​=120.4.

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Chemical measurements, conservation of mass and the quantitative interpretation of chemical equations Questions

  1. GCSE
  2. /Chemistry
  3. /Chemical measurements, conservation of mass and the quantitative interpretation of chemical equations