A swimming pool is 50.0 m long and 25.0 m wide, and it has an average depth of 7.00 ft. How many liters of water is needed to completely fill the swimming pool? (b) If the swimming pool water contains 115 mg CaCO3/L, how many kilograms (kg) of CaCO3 are present in the swimming pool water? (Given: 1 foot = 12 inches; 1 inch = 2.54 cm (exactly); 1 m = 100 cm; 1 m3 = 103 L)

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Matter and Measurement

In the universe, there is matter, energy, and void space. The universe contains energy and void space. The definition of matter can be considered as something which possesses mass and consumes space. Chemistry is that branch of science which deals with the study of matter. Under chemistry, nature, composition, and the changes occurring to matter are discussed.