Answer:
N = n× l
N = number of entities
n= moles
l = Avogadro's constant = 6.023 × 10^23
3.01 × 10^ 23 = n * 6.023 × 10^23
n = 3.01 × 10^23/6.023 × 10^23
n= 0.5moles
Molar mass = mass/ number of moles
Molar mass = 56
mass = 56 × 0.5
= 28g
Hope this helps.
Answer:
120 V usually but its not given in the option so 110 V
It will slowly rotten and turn brown
Element:- Gold.
Compound:- Sodium Chloride (NaCl).
Ion: an atom that has lost or gained an electron.
Isotopes:- two atoms of hydrogen, each with a different number of neutrons
Cation:- an atom that has developed a positive charge.
Anion: an atom that has gained a negative charge
Answer:
B)
Explanation:
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