Physics, 24.08.2019 06:30, carapiasebas

The equation for the chemical reaction shown is not balanced. what number should replace the question mark to balance this equation?
2kbr + ? pb(no3)2 → 2kno3+ pbbr2
a.
the equation is balanced as is.
b.
a 6 is required.
c.
a 3 is required.
d.
a 2 is required.

Answers: 1

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The equation for the chemical reaction shown is not balanced. what number should replace the questio...