Answer to Question #195305 in General Chemistry for Valentina

Question #195305
  1. Calculate the mass of solute in 400 ml of a 25.0% silver ion solution.
  2. Determine the concentration (in mol / L) of a solution formed from 6.34 g of iron (III) borate and 150 ml of water.
  3. A laboratory technician should prepare 250 ml of a 0.750 mol / L solution of copper (II) nitrate pentahydrate. Calculate the mass of solute he needs to measure.
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