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OpenStudy (anonymous):
When 70. milliliter of 3.0-molar Na2CO3 is added to 30. milliliters of 1.0-molar NaHCO3 the resulting concentration of Na+ is... (A) 2.0 M (B) 2.4 M (C) 4.0 M (D) 4.5 M (E) 7.0 M
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OpenStudy (anonymous):
Please lead me through the process; I'd like to learn how to do these sorts of problems.
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