Question

skill level: to be determined i which group of coefficients balances the following chemical equation? 2kclo₃ → _ kcl + _ o₂ a 1, 1 b 2, 2 c 2, 3 x get help on this question check it scratchpad improve this question

Explanation:

Step1: Balance K and Cl

Left side: 2 K, 2 Cl (from \(2KClO_3\)). So KCl needs coefficient 2 to balance K and Cl: \(2KClO_3
ightarrow 2KCl + \_\_O_2\).

Step2: Balance O

Left O: \(2 \times 3 = 6\). Right O (in \(O_2\)): let coefficient be \(x\), so \(2x = 6 \Rightarrow x = 3\). Thus \(O_2\) has coefficient 3.

Answer:

c. 2, 3