ionic equation

Identify the spectator ions in this reaction?

CuCl₂(aq) + NaOH(aq) → Cu(OH)₂(s) + NaCl(aq)

• Cu²⁺ and OH^1-

• Na²⁺ and Cl^2-

• Na¹⁺ and Cl^1-

• Na¹⁺ and OH^1-

What must go in the blank space to balance the equation?
4Fe  +  _O₂  → 2Fe₂O₃

• 1
• 2
• 3
• 4

Tags

NGSS.MS-PS1-5

Which is the correct net ionic equation for the reaction of AgNO₃ and CaCl₂?

• Ca²⁺(aq) +  2Cl^- (aq) → CaCl(s)
• Ag⁺(aq)  +  Cl^- (aq) → AgCl(s)
• Ag +  Cl  →  AgCl
• Ag⁺  +  Ca²⁺   →Ag₂Ca (s)

Tags

NGSS.HS-PS1-7

AgCl

• soluble
• insoluble

NaCl

• soluble
• insoluble

SrSO₄

• soluble

• insoluble

Ca(OH)₂

• soluble
• insoluble

Tags

NGSS.HS-PS1-1

BaSO₄

• soluble
• insoluble

K₂CO₃

• soluble
• insoluble

Tags

NGSS.HS-PS1-5

CaCO₃

• soluble
• insoluble