IB
IBO
Chemistry
October 2015
QP-201510-Chemistry-P1-SL · Question 1
Question (excerpt):
1. What is the number of atoms of oxygen in 0.250 mol of hydrated zinc nitrate, Zn (NO3)2 • 6H2O? A. 3.00 B. 12.0 C. 1.81 × 1024 D. 7.22 × 1024
1. What is the number of atoms of oxygen in 0.250 mol of hydrated zinc nitrate, Zn (NO3)2 • 6H2O? A. 3.00 B. 12.0 C. 1.81 × 1024 D. 7.22 × 1024
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