Question

In: Chemistry

The freezing point of water is 0.00°C at 1 atmosphere. If 13.93 grams of manganese(II) bromide,...

The freezing point of water is 0.00°C at 1 atmosphere. If 13.93 grams of manganese(II) bromide, (214.7 g/mol), are dissolved in 280.9 grams of water ...

The molality of the solution is _______ m.

The freezing point of the solution is ______ °C.

Solutions

Expert Solution


Related Solutions

A. The freezing point of water H2O is 0.00°C at 1 atmosphere. How many grams of...
A. The freezing point of water H2O is 0.00°C at 1 atmosphere. How many grams of iron(II) nitrate (179.9 g/mol), must be dissolved in 228.0 grams of water to reduce the freezing point by 0.300°C ? _____ g iron(II) nitrate. B. The freezing point of water is 0.00°C at 1 atmosphere. If 14.42 grams of ammonium acetate, (77.10 g/mol), are dissolved in 165.8 grams of water ... The molality of the solution is _______ m. The freezing point of the...
The freezing point of water H2O is 0.00°C at 1 atmosphere. A nonvolatile, nonelectrolyte that dissolves...
The freezing point of water H2O is 0.00°C at 1 atmosphere. A nonvolatile, nonelectrolyte that dissolves in water is urea . How many grams of urea, CH4N2O (60.10 g/mol), must be dissolved in 290.0 grams of water to reduce the freezing point by 0.300°C ? g urea?
A. The boiling point of water is 100.0°C at 1 atmosphere. How many grams of chromium(II)...
A. The boiling point of water is 100.0°C at 1 atmosphere. How many grams of chromium(II) chloride (122.9 g/mol), must be dissolved in 256.0 grams of water to raise the boiling point by 0.300°C? Refer to the table for the necessary boiling or freezing point constant. Solvent Formula Kb (°C/m) Kf (°C/m) Water H2O 0.512 1.86 Ethanol CH3CH2OH 1.22 1.99 Chloroform CHCl3 3.67 Benzene C6H6 2.53 5.12 Diethyl ether CH3CH2OCH2CH3 2.02 ____g chromium(II) chloride. B. The boiling point of water...
The boiling point of water is 100.0°C at 1 atmosphere. How many grams of iron(II) chloride...
The boiling point of water is 100.0°C at 1 atmosphere. How many grams of iron(II) chloride (126.8 g/mol), must be dissolved in 217.0 grams of water to raise the boiling point by 0.450°C? Refer to the table for the necessary boiling or freezing point constant. Solvent Formula Kb (°C/m) Kf (°C/m) Water H2O 0.512 1.86 Ethanol CH3CH2OH 1.22 1.99 Chloroform CHCl3 3.67 Benzene C6H6 2.53 5.12 Diethyl ether CH3CH2OCH2CH3 2.02
The freezing point of water, H2O, is 0.000 °C at 1 atmosphere. Kf(water) = -1.86 °C/m...
The freezing point of water, H2O, is 0.000 °C at 1 atmosphere. Kf(water) = -1.86 °C/m In a laboratory experiment, students synthesized a new compound and found that when 11.70 grams of the compound were dissolved in 205.9 grams of water, the solution began to freeze at -0.587 °C. The compound was also found to be nonvolatile and a non-electrolyte.   What is the molecular weight they determined for this compound ?   ________ g/mol
The normal freezing point of water (H2O) is 0.00 °C and its Kfp value is 1.86...
The normal freezing point of water (H2O) is 0.00 °C and its Kfp value is 1.86 °C/m. A nonvolatile, nonelectrolyte that dissolves in water is sucrose . How many grams of sucrose, C12H22O11 (342.3 g/mol), must be dissolved in 233.0 grams of water to reduce the freezing point by 0.350 °C?
[ncchem 3.2.052A.] Some physical properties of water are shown below. freezing point 0.00°C boiling point 100.00°C...
[ncchem 3.2.052A.] Some physical properties of water are shown below. freezing point 0.00°C boiling point 100.00°C Kf 1.86°C/m Kb 0.512°C/m What is the freezing point of a solution of glucose, a nonelectrolyte, that contains 66.0 g of C6H12O6 dissolved in 373 g of water? Use molar masses with at least as many significant figures as the data given. °C What is the boiling point of the solution? °C
1. A) The freezing point of benzene, C6H6, is 5.500 °C at 1 atmosphere. Kf(benzene) =...
1. A) The freezing point of benzene, C6H6, is 5.500 °C at 1 atmosphere. Kf(benzene) = 5.12 °C/m In a laboratory experiment, students synthesized a new compound and found that when 11.43 grams of the compound were dissolved in 267.0 grams of benzene, the solution began to freeze at 4.740 °C. The compound was also found to be nonvolatile and a non-electrolyte. What is the molecular weight they determined for this compound? ____g/mol B) The boiling point of benzene, C6H6,...
The freezing point of ethanol CH3CH2OH is -117.30°C at 1 atmosphere. A nonvolatile, nonelectrolyte that dissolves...
The freezing point of ethanol CH3CH2OH is -117.30°C at 1 atmosphere. A nonvolatile, nonelectrolyte that dissolves in ethanol is chlorophyll . If 14.52 grams of chlorophyll, C55H72MgN4O5 (893.5 g/mol), are dissolved in 178.5 grams of ethanol ... The molality of the solution is ______ m. The freezing point of the solution is _____ °C.
In the interval between the freezing point (ice point) of water and 700.0deg-C, a platinum resistance...
In the interval between the freezing point (ice point) of water and 700.0deg-C, a platinum resistance thermometer is to be used for interpolating temperatures from 0 °C to the melting point of zinc, 692.666 K. The temperature, in Celcius or Centigrade, is given by a formula for the variation of the resistance of the thermometer with temperature: R = R,o(1 + A Tc + B Tc^2). Ro, A, and B are constants determined by measurements at the ice point, the...
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT