Answer:
6.178 g.
Explanation:
- KCl is ionized in the solution as:
<em>KCl → K⁺ + Cl⁻.</em>
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∴ [KCl] = [K⁺] = [Cl⁻] = 0.193 M.
<em>Molarity is defined as the no. of moles of the solute per 1.0 L of the solution.</em>
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∵ M = [(mass/molar mass)KCl][(1000)/(V of the solution)].
<em>∴ mass of KCl = (M)(molar mass of KCl)(V of the solution)/1000</em> = (0.193 M)(74.55 g/mol)(430.0 mL)/1000 = <em>6.178 g.</em>
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My best bet is e because look how it is formed
Balanced chemical reaction:
PbO₂<span>(s) + Sn(s)+ 4H</span>⁺(aq) → Pb²⁺(aq) + Sn²⁺(aq) + 2H₂O<span>(l).
Oxidation half-reaction: Sn </span>→ Sn²⁺ + 2e⁻.<span>
Reduction half-reaction: PbO</span>₂ + 4H⁺ + 2e⁻ → Pb²⁺ + 2H₂O.
Net reaction: Sn + PbO₂ + 4H⁺ + 2e⁻ → Sn²⁺ + 2e⁻ + Pb²⁺ + 2H₂O.
Oxidation is increase of oxidation number, reduction is decrease of oxidation number.
How elements are joined in the compound or the way the atoms are arranged (the structure) in a compound
Answer:
The more organic waste present in a landfill, the more landfill gas is produced by bacterial decomposition. Some types of organic waste contain nutrients, such as sodium, potassium, calcium, and magnesium, that help bacteria thrive. When these nutrients are present, landfill
Explanation:
