JAMB Chemistry 2020 Objective — Question 1
Question 1 of 40 from the Joint Admissions and Matriculation Board (JAMB) Chemistry 2020 Objective paper, with the correct answer and a full explanation.
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1. The sum of the coefficients of all species (reactants and products) in the balanced equation for the reaction between aqueous mixture of lead (II) nitrate and sodium phosphate is
- A. A. 4
- B. B. 6
- C. C. 10
- D. D. 12Correct
Explanation
Balanced equation: 3Pb(NO3)2 + 2Na3PO4 -> Pb3(PO4)2 + 6NaNO3. Sum of coefficients = 3+2+1+6 = 12.
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