Problem: Is an aqueous solution of NaHSO 4 acidic, basic, or neutral? What reaction occurs with water? Calculate the pH of a 0.10-M solution of NaHSO4.

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We're being asked to determine a) if an aqueous solution of NaHSO4 acidic, basic, or neutral; b) the reaction occurs with water; and c) calculate the pH of a 0.10-M solution of NaHSO4.

For the first part, NaHSO4 is a salt and will break up in the solution:

NaHSO4(aq) → Na+(aq) + HSO4(aq)

Na+ main group metal → group 1A → +1 charge

▪ less than +3 → neutral

• HSO4 → from the strong acid H2SO4

▪ H2SO4 will completely (100%) ionize in a solution therefore HSO4 will not accept an H+ to reform H2SO4

▪ HSO4 will act as an acid in the solution 

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Problem Details

Is an aqueous solution of NaHSO 4 acidic, basic, or neutral? What reaction occurs with water? Calculate the pH of a 0.10-M solution of NaHSO4.

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Our tutors have indicated that to solve this problem you will need to apply the Diprotic Acid concept. You can view video lessons to learn Diprotic Acid. Or if you need more Diprotic Acid practice, you can also practice Diprotic Acid practice problems.

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