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Tanya [424]
2 years ago
7

0.385g of 17Cl is how many atoms?

Chemistry
1 answer:
muminat2 years ago
8 0

Answer:

(Click here to get an answer to your question ✍️ 0.385g of 17Cl is how many atoms?).

Explanation:

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A: 384

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Assuming complete dissociation, what is the ph of a 3.24 mg/l ba(oh)2 solution?
weqwewe [10]
We need to first find the molarity of Ba(OH₂) solution.
A mass of 3.24 mg is dissolved in 1 L solution.
Ba(OH)₂ moles dissolved - 3.24 x 10⁻³ g/171.3 g/mol = 1.90 x 10⁻⁵ mol
dissociaton of Ba(OH)₂ is as follows;
Ba(OH)₂ --> Ba²⁺ + 2OH⁻
1 mol of Ba(OH)₂ dissociates to form 2OH⁻ ions.
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pOH = -log (3.8 x 10⁻⁵)
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