How many moles of Na2SO4 are present in 284.078 grams of Na2SO4?2356

2moles

Explanation:

Given parameters:

Number of moles of Na₂SO₄   = 284.078g

Unknown:

Number of moles in the compound  = ?

Solution:

To solve this problem;

        Number of moles  =  

  Molar mass of Na₂SO₄  = 2(23) + 32 + 4(16)  = 142g/mol

 Number of moles  =   = 2moles

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