What are the four important steps needed to obtain accurate melting points on a mel-temp
1 answer:
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Answer:
2.67 × 10⁻²
Explanation:
Equation for the reaction is expressed as:
CaCrO₄(s) ⇄ Ca₂⁺(aq) + CrO₂⁻⁴(aq)
Given that:
Kc=7.1×10⁻⁴
Kc=
Kc= [x][x]
Kc= [x²]
7.1×10⁻⁴ = [x²]
x =
x = 0.0267
x =