ICSE Class 10 Answered
Calculate the number of molecules in 1 kg of Calcium Chloride.
Asked by aashimegh | 28 Aug, 2019, 05:25: PM
Expert Answer
Given:
Mass of calcium chloride = 1 kg
= 1000 gm
Molar mass of calcium chloride = 110.98 gm/mol
No. of moles of calcium chloride
No. of molecules of CaCl2 = No. of moles of CaCl2 × Avogadro's number
= 9.01 × 6.022 × 1023
=5.42 × 1024 molecules of CaCl2
Answered by Varsha | 29 Aug, 2019, 10:28: AM
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