Answer: when concentrations of acid and base are same, pH = pKa
PH = 12.38 pOH = 1.62
Explanation: pKa= -log(Ka)= 12.38. PH + pOH = 14.00
Answer:
Explanation:B ice melting is a phiyscal change and the mass of the substance remains the same
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I'm not very sure but I think the correct answer is D) Water Wave
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Answer: covalent bond
Explanation: The carbon-hydrogen bond is a bond between carbon and hydrogen atoms that can be found in many organic compounds.
Which metal will displace nickel in a compound? it zink is the metal