A solid consists of a mixture of N2NO3 and Mg(NO3)2. When 6.50 g of the solid is dissolved in 50.0 g of water, the freezing point of the solution is lowered by 5.26°C. What the composition by mass of the solid? g NaNO3 g Mg(NO3)2 I think Kf value is 1.86
A solid consists of a mixture of N2NO3 and Mg(NO3)2. When 6.50 g of the solid...
A solid consists of a mixture of NaNO3 and Mg(NO3)2. When 6.50 g of the solid is dissolved in 50.0 g of water, the freezing point of the solution is lowered by 5.26°C. What is the composition by mass of the solid? ----- g NaNO3 ----- g Mg(NO3)2
A solid consists of a mixture of NaNO3 and Mg(NO3)2. When 6.50 g of the solid is dissolved in 50.0 g of water, the freezing point of the solution is lowered by 5.06°C. What is the composition by mass of the solid? ____ g NaNO3 ? ____ g Mg(NO3)2 ?
A solid consists of a mixture of NaNO3 and Mg(NO3)2. When 6.50 g of the solid is dissolved in 50.0 g water, the freezing point is lowered by 5.50°C. What is the composition, by mass, of the solid? Mg(NO3)2 ?g NaNO3 ?g
A solid consist of a mixture of NaNO3 and Mg(NO3)2. When 6.50 g of the solid is dissolved in 50.0 gof water, the freezing point of the solution is lowered by 5.44 degree C. What is the composition by mass of the solid? g NaNO3 g Mg(NO3)2
It is the only information I got When 5.26 g of a solid mixture composed of NH4Cl and CaCl2 was dissolved in 100.0 mL of water, the temperature of the water rose by 4.51°C. How many grams of each substance was in the mixture? Include the mass of salts in calculation of heat generated. g NH4CI = g g CaCl2 = g
Determine the melting point of an aqueous solution containing 147 mg of saccharin (C7H5O3NS) added to 1.00 mL of water (density of water = 1.00 g/mL, Kf = 1.86°C/m). What is the freezing point of a 1.276 m aqueous solution of aluminum nitrate, Al(NO3)3? The Kfof water is 1.86°C/m.
You dissolve a 30.0 g mixture of glucose (C 6 H 12 O 6 ) and NaCl in 1.00 water. The freezing point of this solution is found to be - 0.541 degrees * C . Assuming ideal behavior, what is the mass of glucose in the mixture? (Kf for water is 1.86^ C* kg/mol) ).
1h. A certain pure solvent freezes at 39.8°C and has a freezing point depression constant Kf = 0.777°C/m. What is the predicted freezing point (in °C) of a solution made from this solvent that is (1.90x10^0) m in a non-electrolyte solute? 1i. When (8.23x10^1) g of a non-electrolyte is dissolved in (5.2600x10^2) g of a solvent (with Kb = 0.416°C/m) the boiling point of the solution is 1.50°C higher than the boiling point of the pure solvent. What is the...
Menthol is a crystalline substance with a peppermint taste and odor. When 0.966 g of menthol is dissolved in 25.0 g of cyclohexane, the freezing point of the solution is lowered by 5.15 °C. The freezing point and Kf constant for cyclohexane can be found here. Calculate the molar mass of menthol.
2. What is the freezing point of an aqueous solution containing 69.5g NaNO3 (MM=85.00g/mol) dissolved in 175g water? Kf=1.86°C/m for water and assume "ideal" behavior. 10. An RV antifreeze is an aqueous solution containing 5.68 M proplyene glycol (MM=76.09 g/mol). If the density of the antifreeze is 1.080 g/mL, what is the molality of the solution?