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What is the answer to the equation Na + HCl?
and more importantly Why?? And how do you balance this equation?
5 Answers
- 1 decade agoFavorite Answer
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2Na + 2HCl -----> 2NaCl + H2 ^
Na is an alkaline metal which on reacting with any acid gives
the metal salt ( NaCl ) and H2 gas is liberated.
Na + HCl -----> NaCl + H2
We know that H2 gas will be reacted in this reaction and so we balance it on the product side.
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- 1 decade ago
Na + HCl = H2 + NaCl
- 1 decade ago
2Na + 2HCl = 2NaCl + H2
There has to be 2 of the elements becos Hydrogen has to exist as a Molecule (gas) which is H2
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- ?Lv 45 years ago
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These are all double replacements reactions (meaning that the positively charges ions swap their negatively charged counterparts in a solution.) You need to know your solubility rules to solve these... I recommend studying them; they are extremely useful. You also need to know how to balance a reaction, 1. HCl(aq)+LiOH(aq) ---> H2O (l) + LiCl (aq) 2. HClO4(aq)+ KOH(aq) ---> H2O (l) + KClO4 (aq) 3. H2SO4(aq)+*2*NaOH(aq) --> 2H2O (l) + Na2SO4 aq) Hope it helps! (Note that all Na and K salts are soluble...)
