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#908 [–Ό‘O‚Θ‚΅]
‡@14.0“NaCl…—n‰t‚Μ–§“x‚Ν1.10g/cm^3‚Ε‚ ‚ι‘‚±‚̐…—n‰t‚ΜŽΏ—Κƒ‚ƒ‹”Z“x‚π‹‚ί‚ζ‘(NaCl58.5)
“š‚¦:2.78mol/kg

ŽΏ—Κƒ‚ƒ‹”Z“x‚Ζ‚Ν
—n”}(‘‰ρ‚͐…)1kg‚Ι—nŽΏ‚ͺ‰½mol‚Ζ‚―‚Δ‚’‚ι‚©

‚Ύ‚©‚琅1kg‚ɐH‰–Amol‚Ζ‚―‚Δ‚’‚ι‚Ζ‚·‚ι
—n‚―‚Δ‚’‚ιH‰–‚̏d‚³
58.5xA g
H‰–…‚ͺ14%‚Θ‚Μ‚Ε
58.5xA/(1000+58.5xA)
=14/100
‚±‚κ‚π‰π‚’‚ΔA=2.782c
—LŒψ”Žš‚π–β‘θ‚ɍ‡‚ν‚Ή‚Δ‚RƒPƒ^‚Ι‚΅‚ΔA=2.78

⏰:11/02/02 22:21 📱:P08A3 🆔:3oJjT3eE


#909 [–Ό‘O‚Θ‚΅]
‡ACuSO4‚Ν€60Ž‚̐…100g‚Ι40g‚ά‚Ε—n‚―‚ι‘CuSO4₯5H2O‚Ν€60Ž‚̐…500g‚Ι‰½g‚ά‚Ε—n‚―‚ι‚©‘(CuSO4160€H2O18)
“š‚¦:4.0~10^2g

CuSO4₯5H2O‚π—n‚©‚·‚Ζ5H2O‚Ν‰t‘Μ‚Μ•’ʂ̐…‚Ζ‚Θ‚Α‚Đ…‚ΖCuSO4‚Ι‚Θ‚ιB
‚»‚΅‚½‚ηŒγ‚Ν–O˜aσ‘Ԃł̐…‚ΖCuSO4‚̏d‚³‚Μ”δB

CuSO4₯5H2O‚ͺ…500g‚Ι—n‚―‚«‚ι—Κ‚πBg‚Ζ‚·‚ι‚ΖBg‚π—n‚©‚΅‚«‚Α‚½Žž
CuSO4¨Bx160/250
…¨500+Bx90/250
–β‘θ•Ά‚ζ‚θ
CuSO4:…=40:100‚ζ‚θ
Bx160/250:(500+Bx90/250)=40:100

‚±‚κ‚π‰π‚’‚ΔB=403.2c
–β‘θ•Ά‚ζ‚θ—LŒψ”Žš‚π‚QƒPƒ^‚Ι‚»‚낦‚Δ4.0x10^2g

⏰:11/02/02 22:34 📱:P08A3 🆔:3oJjT3eE


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