3.Determine the Molar Mass and Number of moles for the following: (2 decimal places for MM. Use proper number of significant figures for number of moles) 28.4g of Pb(NO3)2 MM ______________ No. moles _________________ 10.0g of CaCl2 MM_______________ No. moles _________________ 184.5g of Al2(CO3)3 MM ______________ No. moles __________________ 16.3g of P2O5 MM ______________ No. moles ________________

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A: Mass percent =Mass of soluteMass of solution×100%

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A: The given mass of CO2 = 88.0 gThe moles of CO2 =?

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A: W = (M . MW . V)/1000 Where, W = mass in gram; M = molarity; MW = Molar mass and V = Volume in mL

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