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2. which one of the following chemical equations is balanced? a. 2nacl + h2so4 → hcl + naso4 b. nh3 + h2o → 2nh4oh c. 2na + s → 2nas d. koh + h2so4 → khso4 + h2o
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2. which one of the following chemical equations is balanced? a. 2nacl + h2so4 → hcl + naso4 b. nh3...
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