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Tabletsprepared with microcrystalline cellulose withthe largest mean particle size (100 Âµm; AvicelPH-102) presented higher hardness, lower fri-ability and higher amount of drug released thanthose prepared with Avicel PH-101 (mean parti-cle size of 50 Âµm).
1 The entire solution (solute + solvent) has a mass of 10 + 1200 = 1210 grams. 2  The concentration of the chocolate in the entire solution = (10 grams chocolate) / (1210 grams solution) = 0.00826. 3  Multiply this by 100 to get the percentage: 0.00826 x 100 = 0.826, so the mixture is 0.826% chocolate.