A solution containing 15.60g of ethanol in 108.0 g of H2O is prepared. Calculate the following Volumen .200L Explain the calculations
molar mass
volume of water
mass ethanol fraction
molarity of the solution
solution molality
molar fraction of water
molecular formula mass molar mass moles
solute
solvent
solution

Density of water is 1g/ml,(volume of
solution considered as equal to mass of solution).
A solution containing 15.60g of ethanol in 108.0 g of H2O is prepared. Calculate the following...
3. Una solución de lactosa (C12H22O11) al 15.00% en agua tiene una densidad de 1.0602 g/mL a 20°C. Determine la molaridad de esta solución. La masa molar de lactosa es 342.30 g/mol.
2. Una solución de acetona (C3H6O) 9.50% por masa en agua tiene una densidad de 0.9849 g/mL a 20°C. Determine la molaridad de la solución. La masa molar de acetona es 58.08 g/mol. HINT: Asuma que hay 1L de solución.
2.
Calculate the mass of water vapor present in a 520 m3 volume room
containing air at 27 ºC on a day where the relative humidity was
55%. (Vapor pressure at 27 ºC = 26.74 Torr)
3.Given that the air density at 0.987 bar and 27 ºC is 1,146
kg / m3, calculate the total moles of air and the total mass of the
air found in 400 m 3. Also determine the molar fraction and the
partial pressure of...
a ten milliliter sample of a Kbr solution has a mass of 12.60g
when the solution evaporates the residue weighs 3.80g
determines the density of the solution
the % by mass of solute
the molarity of the solution
3. Una muestra de diez mililitros (10ml) de la solución de KBr tiene una masa de 12,60g. Cuando Se evapora la solución, el residuo pesa 3.80g. Con estos datos determine: a) la densidad de la solución b) el % por masa de...
NEED ALL ANSWER
1. Describe the preparation of the following solutions.
Include calculations and necessary laboratory equipment.
a) 500 ml of a 1.50M KNO3 solution.
b) 150 g of a 5.0% solution of NaC2H3O2.
c) 500 ml of a 0.50M NaOH solution from a 6.0M NaOH
solution.
2. Fifty milliliters of HNO3 affected 35.50mL of Ba (OH) 2
0.150M to neutralize. Determine the molarity of the acidic
solution. Write the balanced equation.
3. A ten milliliter (10 ml) sample of...
La aspirina (HC9H7O4, masa molar 180 g/mol) es un ácido débil con una Ka = 3.27 x 10 -5 a cierta temperatura. HC9H7O4 (ac) + H2O(l) H3O+(ac) + C9H7O4-(ac) Dos tabletas de aspirina, cada una conteniendo 0.325g de aspirina se disuelven en 200.0mL de agua. a. ¿Cuál es el pH de esta solución?
a solution of C2H6O ethanol molar mass is 46.07 g / mol in water can be used to disinfect. A liter of this solution contains 533g of ethanol and 355. of water 18.02 g / mol. What is the lolar fraction of ethanol in this solution.
A solution is prepared by mixing 1.15 g of ethanol (CH3CH2OH) with 100. g of water. Calculate: (a) the percent by mass, (b) mole fraction, (c) molality, and (d) molarity of this solution. Assume that the density of the solution is 1.00 g/mL
9) An ethanol-water solution is 40.00% ethanol by mass and has a density of 0.9450 (g/cms) at 25.00°C. The density of pure ethanol is 0.7850 (g/cms) and the density of pure water is 0.9970(g/cms) at this temperature. At these conditions, the partial molar volume of ethanol is 55.00 (cmx/mol) and the partial molar volume of water is 17.5 (cm3/mol). a. Calculate the total volume of a 1000.0 g solution assuming both ideal and non-ideal conditions. b. What does the difference...
9) An ethanol-water solution is 40.00% ethanol by mass and has a density of 0.9450 (g/cm3) at 25.00°C. The density of pure ethanol is 0.7850 (g/cms) and the density of pure water is 0.9970(g/cms) at this temperature. At these conditions, the partial molar volume of ethanol is 55.00 (cm3/mol) and the partial molar volume of water is 17.5 (cmmol). a. Calculate the total volume of a 1000.0 g solution assuming both ideal and non-ideal conditions. b. What does the difference...