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10th grade

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how many moles of anhydrous MgSO4 are in 2.04grams of MgSO4

  • 10th grade -

    moles= massingrams/molmassMgSO4

  • 10th grade -

    mass: 2.04

    molar mass of MgSO4: 24.3+32.1+16*4=120.4

    moles= 2.04/120.4
    = 0.0169mol

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