Calculate the percentage of crystallization water and the number of water molecules in the compound BaCl2.XH2O, if you know that the sample weight is 2.0 g and after heating the sample weight is 1.3 g, given that the empty vessel weight is 0.8 g and the molecular weight of both the substance and the water is 208.23 g / mol18g / mol

Calculate the percentage of crystallization water and the number of water molecules in the compound BaCl2.XH2O, if you know that the sample weight is 2.0 g and after heating the sample weight is 1.3 g, given that the empty vessel weight is 0.8 g and the molecular weight of both the substance and the water is 208.23 g / mol18g / mol

EBK A SMALL SCALE APPROACH TO ORGANIC L

4th Edition

ISBN:9781305446021

Author:Lampman

Publisher:Lampman

Chapter13: Isolation Of Eugenol From Clov

Section: Chapter Questions

Problem 9Q

See similar textbooks

Similar questions

Please answer question 2: Instructions attached below .2. A 48.33-mL sample of 0.150 M NaBr is titrated into 50.00 mL of 0.145 M AgNO3. Bothsolutions had the same initial and final temperatures. The reaction occurred in a calorimeterwith a known heat capacity and produced 1546.03 J of heat.i. Write a balanced equation that is occurring.ii. Determine the theoretical yield of the solid.iii. Calculate the enthalpy of the reaction (kJ/mole of precipitate).
. Gypsum has the formula CaSO4?2H2O. Plaster of Paris has the chemical formula CaSO4?12 H2O. In making wall plaster, water is added to plaster of Paris and the mixture then hardens into solid gypsum. How much water (in liters, at a density of 1.00 kg L-1 ) should be added to 25.0 kg of plaster of Paris to turn it into gypsum, assuming no loss from evaporation?
The molecule of the week is Tetraethyl orthosilicate (TEOS) of which 120,000 metric tons (1 metric ton = 1000 kg) is produced annually. How many molecules of TEOS (C₈H₂₀O₄Si) are produced every year?
A student investigated the stoichiometry of the nickel (II) nitrate - sodium sulfide - water system using a mole ratio experimental design and reported the data given in the table. From these data, what is the possible formula of the product from the reaction of Ni(NO3)2 and Na2S?
Consider Palmitic acid C16H32O2, a common fatty acid used in the manufacture of soap. A solution of palmitic acid is prepared by mixing 112 g palmitic acid with 725 mL of benzene C6H6. The density of the resulting solution is 0.902 g/mL. Palmitic acid (molar mass = 256 g/mol and density = 0.852 g/mL); Benzene (molar mass = 78 g/mol and density = 0.879 g/mL) You are to prepare 250 mL of the said molar concentration. If you have an available 2M stock solution of Palmitic acid. How many mL of solvent do you need to add to the amount gotten from the 2M Palmitic acid stock solution in order to prepare 250 mL total volume of your desired solution?
Consider Palmitic acid C16H32O2, a common fatty acid used in the manufacture of soap. A solution of palmitic acid is prepared by mixing 112 g palmitic acid with 725 mL of benzene C6H6. The density of the resulting solution is 0.902 g/mL. Palmitic acid (molar mass = 256 g/mol and density = 0.852 g/mL); Benzene (molar mass = 78 g/mol and density = 0.879 g/mL) You are to prepare 250 mL of the said molar concentration. If you have an available 2M stock solution of Palmitic acid. How many mL of the 2M palmitic acid stock solution will you need?
What is the percentage of water in CoCl3.6H2O? please show me the steps to better understand.
Consider Palmitic acid C16H32O2, a common fatty acid used in the manufacture of soap. A solution of palmitic acid is prepared by mixing 112 g palmitic acid with 725 mL of benzene C6H6. The density of the resulting solution is 0.902 g/mL. Palmitic acid (molar mass = 256 g/mol and density = 0.852 g/mL); Benzene (molar mass = 78 g/mol and density = 0.879 g/mL) A. What is the molarity of the solution? B. How many mL of the 2M palmitic acid stock solution will you need? Final answer must be rounded off to 2 decimal places, and shall NOT have any units.
A mixture was found to contain 1.05g of SiO2, 0.69 g of cellulose, and 1.82 g of calcium carbonate. What percentage of calcium carbonate is in the mixture? What percentage of Si is in the mixture?
A student is running an experiment in which 28.5 grams of Na2CrO4 is needed, but the only jar of reagent in the lab is labelled sodium chromate decahydrate. How many grams of the hydrate must the student weigh out in order to get the desired amount of the anhydrous compound?
Consider Palmitic acid C16H32O2, a common fatty acid used in the manufacture of soap. A solution of palmitic acid is prepared by mixing 112 g palmitic acid with 725 mL of benzene C6H6. The density of the resulting solution is 0.902 g/mL. Palmitic acid (molar mass = 256 g/mol and density = 0.852 g/mL); Benzene (molar mass = 78 g/mol and density = 0.879 g/mL) If the calculated molarity is 0.51M, you are to prepare 250 mL of the said molar concentration. If you have an available 2M stock solution of Palmitic acid, How many mL of the 2M palmitic acid stock solution will you need? and; How many mL of solvent do you need to add to the amount gotten from the 2M Palmitic acid stock solution in order to prepare 250 mL total volume of your desired solution?
Write a balanced equation to show the reaction of gaseous ethane with gaseous oxygen to form carbon monoxide gas and water vapor. C2H6(g)+7 O(g) → 2 CO2(g)+3 H2O(g)C2H6(g)+7 O(g) → 2 CO2(g)+3 H2O(g) C2H6(g)+5 O(g) → 2 CO(g)+3 H2O(g)C2H6(g)+5 O(g) → 2 CO(g)+3 H2O(g) 2 C2H6(g)+7 O2(g) → 4 CO2(g)+6 H2O(g)2 C2H6(g)+7 O2(g) → 4 CO2(g)+6 H2O(g) 2 C2H6(g)+5 O2(g) → 4 CO(g)+6 H2O(g)2 C2H6(g)+5 O2(g) → 4 CO(g)+6 H2O(g) 2 CH3(g)+5 O(g) → 2 CO(g)+3 H2O(g)2 CH3(g)+5 O(g) → 2 CO(g)+3 H2O(g)