First, remember the formula: \( m = \frac{Z \times I \times t}{96500} \), where Z is electrochemical equivalent. Just plug in the values from the problem, thik hai? What helps me is making a formula sheet with all these laws—I stick it next to my sister's college fee chart on the wall. She's studying chemistry too, so while I solve for grams of copper deposited, I imagine her writing her own exam answers.
#exams#study
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