Calculate the concentration in moles per dm^3 of 8g of NaOH dissolved in 500cm^3 of solution [Na = 23.0, O = 16.0
H=1.0]
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specific gravity is the density of a substance divided by the density of water. since (at standard temperature and pressure) water has a density of 1 gram/cm3, and since all of the units cancel, specific gravity is usually very close to the same value as density

so "c" is the answer

plz give brainliest

periodic trends is an atom that gets larger as the number of electronic shells increase, the radius of atoms increases as you go down a certain group in the periodic table of elements. in general, the size of an atom will decrease as you move from left to right of a certain period.

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the answer is a! (2.9 x 10^-18 j) hope i could someone. : )