Question: 1. How many calcium ions are in 0.3 mol of CaCl 2 ? ? 4. A circular swimming pool has a diameter of 10 m,

1. How many calcium ions are in 0.3 mol of CaCl₂?

4. A circular swimming pool has a diameter of 10 m, the sides are 4 m high, and the depth of the water is 3.5 m. How much work (in Joules) is required to pump all of the water over the side? (The acceleration due to gravity is 9.8 m/s and the density of water is 1000 kg/m.) Work = Enter the exact value using . Preview Joules.

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