The normal freezing point of a certain liquid x is -8.9 °c, but when 5.942 g of urea ((NH₂)₂co) are dissolved in 450. g of x, it is found that the solution freezes at -9.9 °c instead. Use this information to calculate the molal freezing point depression constant Kf of x. Round your answer to 2 significant digits. - 1 °C mol - kg 0 x10 X

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O STATES OF MATTER
Using the Kf and Kb equations
1
°C mol .kg
The normal freezing point of a certain liquid x is -8.9 °C, but when 5.942 g of
urea ((NH₂),co) are dissolved in 450. g of x, it is found that the solution freezes
at -9.9 °℃ instead. Use this information to calculate the molal freezing point
depression constant k, of x.
Round your answer to 2 significant digits.
Explanation
Check
1/5
X
Andrew
?
alo
Ar
Ⓒ2023 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center Accessibility
Transcribed Image Text:O STATES OF MATTER Using the Kf and Kb equations 1 °C mol .kg The normal freezing point of a certain liquid x is -8.9 °C, but when 5.942 g of urea ((NH₂),co) are dissolved in 450. g of x, it is found that the solution freezes at -9.9 °℃ instead. Use this information to calculate the molal freezing point depression constant k, of x. Round your answer to 2 significant digits. Explanation Check 1/5 X Andrew ? alo Ar Ⓒ2023 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center Accessibility
< > m
=
AA
Watch Online Foundation 2021 Fr...
O STATES OF MATTER
Using the Kf and Kb equations
Explanation
www-awa.aleks.com
Check
C Attention
XA ALEKS- Andrew Herrera - Learn
1/5
The normal freezing point of a certain liquid x is −8.9 °c, but when 5.942 g of
urea ((NH₂),co) are dissolved in 450. g of x, it is found that the solution freezes
at -9.9 °C instead. Use this information to calculate the molal freezing point
depression constant k, of x.
Round your answer to 2 significant digits.
Andrew V
?
F
Ar
Ⓒ2023 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center | Accessibility
Transcribed Image Text:< > m = AA Watch Online Foundation 2021 Fr... O STATES OF MATTER Using the Kf and Kb equations Explanation www-awa.aleks.com Check C Attention XA ALEKS- Andrew Herrera - Learn 1/5 The normal freezing point of a certain liquid x is −8.9 °c, but when 5.942 g of urea ((NH₂),co) are dissolved in 450. g of x, it is found that the solution freezes at -9.9 °C instead. Use this information to calculate the molal freezing point depression constant k, of x. Round your answer to 2 significant digits. Andrew V ? F Ar Ⓒ2023 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center | Accessibility
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