mcclendoncassandra
17.09.2019 •
Chemistry
Na2s(aq)+cu(no3)2(aq)→nano3(aq)+cus(s)
express your answer as a chemical equation. identify all of the phases in your answer.
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Ответ:
Explanation:
Na₂S+Cu(NO₃)₂ → NaNO₃+ CuS
To balance the above chemical equation,
let us put coefficients a, b, c and d at the back of the compounds. The coefficients are needed to balance the equation of the reaction.
aNa₂S+bCu(NO₃)₂ → cNaNO₃+ dCuS
Conservation of Na: 2a = c
S: a = d
N: 2b = c
O: 6b = 3c
let a = 1, c = 2, b = 1 , d = 1
Na₂S + Cu(NO₃)₂ → 2NaNO₃ + CuS
The phases:
Na₂S + Cu(NO₃)₂ → 2NaNO₃ + CuS
Ответ:
I would say either C or D...
Hope this helps!
Mark brainliest!