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3) What is the mass of a sample consisting of 1.00 X 1022 formula units of MgSO.?(​

1 Answer

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number of moles = 1.00 X 10^22 ÷ 6.022 × 10^23

= 0.0166 moles

mass = number of moles × molar mass

= 0.0166 × 120.37 = 2.00 g

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Webster Morissette
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answered 1 year ago