1) Bubbles of gas are produced when a solution of sodium hydrogen sulfite reacts
ID: 849991 • Letter: 1
Question
1) Bubbles of gas are produced when a solution of sodium hydrogen sulfite reacts with a solution nitric acid.
2) When solution of strontuim hydroxide and hydrochloride acid are mixed, the mixture becomes warm to the touch.
a) identify the physical state of that product at the end of the reaction: solid, liquid, gas, or in aqueous solution. Show how you used the solubility rules and/or information concerning gas forming reactions to determine this. cite the rule you used.
b) write and balanced the equation for the reaction showing the appropriate phases.
Explanation / Answer
(1)
NaHSO3 (aq) + HNO3 (aq) ---> SO2 (g) + NaNO3 (aq) + H2O (l)
This is a Gas Forming reaction, which means the compounds will react to produce water, a salt, and a gas.
(2)
is is a neutralization reaction. A neutralization reaction occurs when an acid is mixed with a base. A salt and water is formed in the process.
Sr(OH)2(aq) + 2HCl(aq) ---> SrCl2 (s) + 2H2O (l)
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