Answer:
Option B, HCO3 1-
Explanation:
The valence of Sodium ion is +1 and the valence of HCO3 is -1. Thus, sodium ion has an extra electron to be donated to complete its outer shell while HCO3 needs an electron to complete its outer shell
Hence Na will combine with HCO3 to form NaHCO3
Option B is correct
Answer:
Explanation:
(NH4)2SO4+Pb(NO3)2...............PbSO4+2NH4NO3
<em>They mostly occur at boundaries between tectonic plates. They can also be found by a belt called the "Ring of Fire" that encircles the Pacific Ocean. Volcanoes like that can be formed in Hawaii Islands in the part of the interior plate. These areas are known for being called the "hot spots." </em>
<em>I wrote this in my own words but furthermore, I have no idea what you're looking for so please be in mind telling me what you're looking for the next time.</em>
Sugar and cytoplasm? maybe