Calculate the number of molecules in
720 gm of quick lime.
Answers
Answered by
0
Answer:
3.011×10
22 molecules
Explanation:
Mass of CaO,W=2.8 g
Moles mass of CaO,M=56 g/mol
∴ Number of moles of CaO,n=
M
W
=
56
2.8
mol
=0.05 moles
∴ Number of molecules ,N=n×N
A
=0.05×6.022×10
23
=3.011×10
22
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Answered by
1
Answer:
n=W/M
720/56
=12.85 × 6.023 ×10²³
multiply and get the answer my friend
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