Problem: When 5.0 grams of Na 2O (MM = 61.98 g/mol) are dissolved in 1.00 L of water, what is the concentration of the Na+ ions? A.  0.040 M     B.  0.080 M     C.  0.16 M     D.  6.2 M     E.  12 M

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Problem Details

When 5.0 grams of Na 2O (MM = 61.98 g/mol) are dissolved in 1.00 L of water, what is the concentration of the Na+ ions?

A.  0.040 M    

B.  0.080 M    

C.  0.16 M    

D.  6.2 M    

E.  12 M

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