Moles = ?
1) Calcium chloride = CaCl2
Mass of calcium (Ca) = 40 gm
Mass of chlorine (Cl) = 35.5 gm
Molecular mass of CaCl2 = 40 + 35.5 + 35.5 = 111g
Mass = 1.11 gm
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2) Ammonia = NH3
Avogadros number = 6.02 × 10^23
Number of molecules = 1.5 × 10^30 molecules
Answer:
a.3 mole.
b.the figures
Explanation:
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Answers & Comments
Given:
To find:
Moles = ?
Solution:
1) Calcium chloride = CaCl2
Mass of calcium (Ca) = 40 gm
Mass of chlorine (Cl) = 35.5 gm
Molecular mass of CaCl2 = 40 + 35.5 + 35.5 = 111g
Mass = 1.11 gm
______________________________________
2) Ammonia = NH3
Avogadros number = 6.02 × 10^23
Number of molecules = 1.5 × 10^30 molecules
Answer:
Formulas:
Basic points:
Verified answer
Answer:
a.3 mole.
b.the figures
Explanation:
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