Calcular o número de moléculas contidas em 9,0g de H2O. Massas molares em g/mol: H:1; O:16. Constante de Avogadro = 6,02 . 1023 mol–1

a) 12,04 . 1023 moléculas
b) 3,01 . 1023 moléculas
c) 5,02 . 1023 moléculas
d) 7,02 . 1023 moléculas e) 1,02 . 1023 moléculas

Starch and are common polysaccharide carbohydrates found in plants. sucrose glycogen fructose cellulose

what is your question? collegechemistry 5+3 pts 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.

Name a brittle metal , which is used to galvanize iron