Question

Perform each of the
of the following
calculations. Round off your answers to
two digits.
a) 1÷3.40 × 10²⁴
b) 33÷9.00 x 10-⁴
c) 1.4 x 10⁹÷(2.77 ×10³) (3.76 × 10⁵)
d)(4 x 10-3) (9.9 x 10-7)÷(789)(1.002 x 10-10) (0.3 x 102)
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Answer 1

Answer:

The Avogadro constant is the proportionality factor that relates the number of constituent particles in a sample with the amount of substance in that sample. Its SI unit is the reciprocal mole, and it is defined as NA = 6.02214076×10²³ mol⁻¹. It is named after the Italian scientist Amedeo Avogadro.

Answer 2

Answer:

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