The best and most correct answer among the choices provided by your question is the third choice.
<span>The correct structural formula for ethene is </span><span>CH2CH2.</span>
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A) 0.44
B) 9.0
C) 27.
D) 1.4 x 10^2
E) 1.5 x 10^-3
F) 0.45
SI unit of length - meters
Chemical reaction: NaHCO₃ + HCl → NaCl + CO₂ + HCl.
Reaction occurs between sodium bicarbonate (sodium hydrogen carbonate) and hydrochloric acid. For example, hydrogen carbonate<span> mixed with water is used like </span>antacid (neutralizes <span>stomach acidity), contverts </span>stomach acid (hydrochloric acid) to carbon dioxide.
