Answer:
119836.8 km
Explanation:
74 898 miles * 1.6 km / mile = 119836.8 km
In a neutral atom they are both equal, and their even quantities makes the atom neutral...
Answer:
HCO₂/H₂O is not the acid-base conjugate pair.
Explanation:
<em>Acid and conjugate base pairs differ by an H+ ion.</em>
Neither HCO₂ nor H₂O has lost or gained protons.
The conjugate acid of H₂O is H₃O⁺
The conjugate base of HCO₃⁻ is CO₃²⁻
[A conjugate acid has one more H⁺ than its base]