1. The total mass of water in each sample equals the mass of ice plus themass of water added from the graduated cylinder. Determine this totalmass from data in Table 10.4. Record the total mass of the water samplein Table 10.52 Calculate and record the mass of the sodium chloride solute sampleused3. One mole of sodium chloride weighs 58.5 g. Use this value and thesodium chloride sample mass to calculate the number of moles ofsodium chloride in the sample (Equation 10.4). Record the result inTable 10.51 mol NaCI585g Naci(Eq. 10.4)moles NaCl mass NaCl x

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Asked Apr 5, 2019
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Table 10.4 (data)    
B. Freezing-Point Depression Sodium Chloride Solute Ethylene Glycol Solute
Mass of beaker + ice + water 111.438 g  112.337 g
Freezing point of pure wate 58.650 g 53.263 g
Mass of sample + container 0 C 0 C
Mass of empty container 7.686 g 33.185 g
Freezing point of solution 2.676 g  28.524 g 
Table 10.5 (report) Sodium Chloride Solute Ethylene Glycol Solute
Total water mass    
Mass of solute    
Moles of solute    
?t f    
Water mass in kg    
Solution molality    
K f    

Use Equation to complete table 10.5 from the attached picture. 

1. The total mass of water in each sample equals the mass of ice plus the
mass of water added from the graduated cylinder. Determine this total
mass from data in Table 10.4. Record the total mass of the water sample
in Table 10.5
2 Calculate and record the mass of the sodium chloride solute sample
used
3. One mole of sodium chloride weighs 58.5 g. Use this value and the
sodium chloride sample mass to calculate the number of moles of
sodium chloride in the sample (Equation 10.4). Record the result in
Table 10.5
1 mol NaCI
585g Naci
(Eq. 10.4)
moles NaCl mass NaCl x
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1. The total mass of water in each sample equals the mass of ice plus the mass of water added from the graduated cylinder. Determine this total mass from data in Table 10.4. Record the total mass of the water sample in Table 10.5 2 Calculate and record the mass of the sodium chloride solute sample used 3. One mole of sodium chloride weighs 58.5 g. Use this value and the sodium chloride sample mass to calculate the number of moles of sodium chloride in the sample (Equation 10.4). Record the result in Table 10.5 1 mol NaCI 585g Naci (Eq. 10.4) moles NaCl mass NaCl x

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