Write net ionic equation best represents the reaction that occurs when an aqueou

Question

Write net ionic equation best represents the reaction that occurs when an aqueous solution of Na_2CO_3 is mixed with an aqueous solution of HCN: Write net ionic equation between Ca(s) and CuCl_2(aq) How many sulfur atoms are there in 35 g of Al_2S_3? A hydrocarbon found in fuel is analyzed and found to contain 84.2% C and 15.8% H. What is the empirical formula ? Balance the equation below. For the given chemical equation: CH_4 + O_2 rightarrow CO_2 + H_2O calculate the mass of CO_2 if 30.4 g of CH_4 react with 42.1 g of O_2?

Explanation / Answer

Q9.

net ionic equation smust include only ions reacting

so

Na2CO3 + 2HCN --> 2NaCN + H2CO3

H2CO3 must decomposse as

Na2CO3 + 2HCN --> 2NaCN + H2O + CO2

note that HCN is moelcular,

so only Na+ ions are spectators

CO3-2(aq) + 2HCN(aq) --> 2CN-(aq) + H2O(l) + CO2(g)

Q10.

for

Ca(s) and CuCl2, notet aht Cu will form Cu(s)

Cl- ions remains a spectator ions so

Ca(s) + Cu+2(aq) --> Cu(s) + Ca2+(aq)

Related Questions

Navigate

• Browse (All)
• Browse W
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.