Determine the molarity of a solution containing 17.2 grams of ethanol, C2H5OH (Molar mass = 46.08...
1.Determine the molarity of a solution that contains 8.4 moles of ethanol dissolved in 4.7 liters of solution. Answer to 2 decimal places. 2.Determine the mole fraction of ethanol, C2H5OH (Molar mass = 46.08 g/mol) when 13.4 grams of ethanol is dissolved in 96.1 grams of water, H2O (Molar mass = 18.02 g/mol).
A container containing 6.19 L of a gas is collected at 244 K and then allowed to expand to 23.4 L. What must the new temperature be in order to maintain the same pressure? Express your answer in units of K. You do not need to enter the unit. When 16.8-grams of an unknown compound is placed in 0.176-kg of benzene, the freezing point is changed by 1.93oC. The value of Kf= 4.90oC/m for benzene. Determine the molar mass of the...
2.21 g of ethanol C2H5OH and 3.55 of oxygen O2 are reacted. Molar mass of C2H5Oh 46.08 g/mol. O2 32.00 g/mol. Co2 44.01 g/mol. H20 18.02 g/mol a)What is the limiting reactant? b) what is the theoretical yield of carbon dioxide in grams will be obtained in the combustion reaction. starting with the amount of reagents given in part (a). assuming the reaction goes in 100% yield. c) If 0.951 f of CO2 is obtained from the reaction above, what...
When 12.6-grams of an unknown compound is placed in 0.116-kg of benzene, the freezing point is changed by 2.34°C. The value of Kf= 4.90°C/m for benzene. Determine the molar mass of the unknown compound. Answer to 1 decimal place and include your units. Answer: Determine the molality of a solution when 32.3 grams of ethanol, C2H5OH (Molar mass = 46.08 g/mol) is dissolved in 0.947 kg of water. Answer to 2 decimal places. Answer: Find the freezing point of a...
What is the molarity of a 12.1% (v/v) solution of ethanol (C2H5OH)? The density of ethanol is 0.785g/mL and the molar mass of ethanol is 46g/mol.
What is the molarity of a 97.0−mL ethanol solution containing 5.05 g of ethanol (C2H5OH)?
Question 1 5 pts A solution is prepared by dissolving 35.35 g ethanol (C2H5OH; Molar mass = 46.08 g/mol) in 42.2 g water. What is the molality (mol/kg) of C2H5OH in the solution? 4361 m 4.36 m 0.767 m 18.2 m 0.0182 m Question 2 5 pts Which observation correctly reflects colligative property? A KOH solution has a high vapor pressure than pure water Adding NaCl to ice will increase its melting point. A 0.5 m NaOH solution boils at...
What is the MOLALITY of Ethanol , C2H5OH (46.08 g/mol), in an aqueous solution that is 51.0% ethanol by mass? (correct answer is 22.6 m, I'm just not sure of the steps) Please include step by step with units! Thanks!
Determine the molarity of a solution made by dissolving 133 g of ethanol (C2H5OH) in enough water to make 1000.0 mL of solution
Determine the molarity of a solution made by dissolving 128 g of ethanol (C2H5OH) in enough water to make 1000.0 mL of solution. O MC2H5OH