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Chemistry 12 Online
OpenStudy (anonymous):

Part A Calculate the number of grams of solute in 0.290L of 0.205 M KBr. m = g SubmitMy AnswersGive Up Part B Calculate the molar concentration of a solution containing 14.85g of Ca(NO3)2 in 1.365L . M = M SubmitMy AnswersGive Up Part C Calculate the volume of 1.90 M Na3PO4 in milliliters that contains 4.00g of solute. V = mL

OpenStudy (anonymous):

molarity=no. of moles of solute/volume in litres here,molarity =0.205 M , volume=0.290L NOW. NO. OF MOLES =MASS IN GRAMS/MOLECULAR MASS =W/M WE HAVE TO CALCULATE MOLECULAR MASS OF KBR. COULD U PLEASE TELL ME ATOMIC MASS OF POTASSIUM AND BROMINE?SO DAT I CAN CALCULATE THE MOLECULAR MASS

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