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1) Explain what is wrong with this double-replacement reaction. NaCl(aq) + KBr(aq) → NaK(aq) + ClBr(aq)...

1) Explain what is wrong with this double-replacement reaction.

NaCl(aq) + KBr(aq) → NaK(aq) + ClBr(aq)

2) Predict the products of each acid-base combination listed. Assume that a neutralization reaction occurs.

a. HCl and KOH

b. H2SO4 and KOH

c. H3PO4 and Ni(OH)2

3) Which is a composition reaction and which is not?

a. NaCl + AgNO3 → AgCl + NaNO3

b. CaO + CO2 → CaCO3

4)  . Balance: ___NaClO3 → ___NaCl + ___O2

Please show your work

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