1. Find the number of atom in 200 gm of calcium.
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1. Find the number of atom in 200 gm of calcium.
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Answer:
30.110 ×10^23 particles.
Explanation:
given,
given mass = 200g
molar mass of calcium= 40g
formula,
no. of moles = given mass÷ molar mass
= 200÷ 40 = 5 mole
1 mole contain no. of particles os avagadro's no.( 6.022×10^23)
5 mole of calcium contain no. of particles = 5×6.022×10^23 = 30.110 ×10^23
Explanation:
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