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How much BaCl(2) would be needed to make...

How much `BaCl_(2)` would be needed to make `250 mL` of a solution having same eoncentration of `Cl^(o+)` as the one containing `3.78 g` of `NaCl` per `100 mL`.

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To solve the problem, we need to determine how much BaCl₂ is required to create a solution with the same concentration of Cl⁻ ions as a solution containing 3.78 g of NaCl in 100 mL. ### Step-by-Step Solution: 1. **Calculate the molarity of NaCl in the solution**: - First, we need to find the molar mass of NaCl. - Molar mass of Na (Sodium) = 23 g/mol - Molar mass of Cl (Chlorine) = 35.5 g/mol ...
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