Which of these best explains what happens when the ionic substance calcium chloride (cacl2) dissolves in water? . a. the oxygen atoms in the water molecules are attracted to the ca2+ ions.. b. the oxygen atoms in the water molecules are attracted to the cl− ions.. c. the hydrogen atoms in the water molecules are attracted to the ca2+ ions.. d. the oxygen atoms in the water molecules are attracted to the h+ ions..

In november 1987, a massive iceberg broke loose from the antartic ice mass and floated free in the ocean. the chunk of ice was estimated to be 98 mi long, 25 mi wide, and 750 ft thick. a typical backyard swimming pool contains about 24,000 gallons of water. how many of these pools could you fill from the water in this iceberg? (assume the iceberg is a rectangular solid of the above dimensions and consists of water only). express answer in scientific notation.