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18 which solution has a molality of 0.25 m Naci? 0.5 mol Naci in 4.0 kg water 0.25 mol NaCl in 10 kg water 0.25 g Nai in 1.0 kg water 1.0 kg NAC in 40 kg water
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31 votes
31 votes
18 which solution has a molality of 0.25 m Naci?

0.5 mol Naci in 4.0 kg water
0.25 mol NaCl in 10 kg water
0.25 g Nai in 1.0 kg water
1.0 kg NAC in 40 kg water

User Viztastic
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1 Answer

16 votes
16 votes
0.25m NaCl is equal to 0.25 moles of NaCl over 1 kg of water. So the correct answer is Number 3 or C.
User Andrew Bullock
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