Wednesday, August 1, 2012

Surfing For Agcl Is Precipitate?

Ruth asks…If 30mL of 0.150 M CaCl2 is added to 30.5mL of 0.100 M AgNO3, what is the mass of the AgCl precipitate?I'm not quite sure how to do this.Nancy answers:A BIG FAT WET KISS!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!Donald asks…if 30.0 ml of 0.150 M CaCl2 is added to 41.5 ml of 0.100 M of AgNo3 what is the mass of AgCl precipitate?anybody? i need the factor label stepsNancy answers:CaCl2 + 2 AgNO3 → 2 AgCl + Ca(NO3)2

(30.0 ml) x (0.150 mol/L CaCl2) = 4.50 mmol

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