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Answer 1

Answer:

1) mass of the H²O is 36.076 kg

2) molecules /moles of sodium iss 8

3) number of molecules present in water is 3

Answer 2

Step-by-step explanation:

A computer is a machine that can be programmed to carry out sequences of arithmetic or logical operations automatically. ... A computer system is a "complete" computer that includes the hardware, operating system (main software), and peripheral equipment needed and used for "full" operation.