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o problem Calculate the analytical & equillibrium concentration In a soln made by dissolving a) 6.0 g Mg Cl₂...
What is the approximate molar concentration of Cl' ions in a solution that is made by dissolving 12.5 g of AlCl3 in enough water to make 400 mL of solution? The molar mass of AICIz is 133.34 g/mol. O 0.234 M 0 0.0781 M O 0.0938 M O 0.703 M O None of these choices is correct
A solution of F− is prepared by dissolving 0.0887±0.0006 g NaF (molar mass = 41.989±0.001 g/mol) in 152.00±0.09 mL of water. Calculate the concentration of F− in solution and its absolute uncertainty.
Could please help me with my homework? Thanks in advance! A solution is made by dissolving 13.5 g of glucose (C_6H_12O_6) in 0.100 kg of water. What is the mass percentage of solute in this solution? What is the molarity of this solution? Assume that the density of approximately 1.00 g/mL A solution with a density of 0.876 g/mL contains 5.0 g of toluene (C_7H_8) and 225 g of benzene (C_6H_6). Calculate the molarity of the solution. A 2.5-g sample...
Calculate the molality and mole fraction of a solution made by dissolving 8 gm of (Molar mass of NaOH = 40 g / mol Q.2 pure NaOH in 200 ml of water
Calculate the concentration of Br (MW = 79.904 g/mol), in milligrams per milliliter (mg/mL), in an aqueous solution that is 1.17 wt% MgBr, (MW = 184.113 g/mol). The density of this solution is 1.10 g/mL. Note that significant figures are graded for this problem. Be sure you do not round your answers until the very end of your calculations. concentration: mg/mL TOOLS x10'
A) Calculate the molality of a sucrose solution made by dissolving 73.1 grams sucrose into 55.3 grams water. The molar mass of sucrose is 342.2 g/mol. Record your answer in scientific notation using 3 significant figures. Use * for the multiplication symbol. B) A sodium hydroxide solution that contains 55.5 grams of NaOH per L of solution has a density of 1.14 g/mL. Calculate the molality of the NaOH in this solution. Record your answer to 2 decimal spaces. C)...
1) (a) Calculate the molarity of a solution made by dissolving 12.5 grams of Na2CrO4 on enough water to form exactly 550 ml of solution. (b) How many moles of KBr arepresent in 150 ml of a 0.275 M solution? (c) How many milliliters of 6.1 M HCI solution are needed to obtain 0.100 mol of HCI?2) (a) How many grams of solute are persent in 15.0 ml of 0.736 M K2Cr2O7 ? (b) if 14.00 g of (NH4)2SO4 is...
4) A solution is prepared by dissolving 15.2 g of NaC,H,O, into water. The concentration of the solution is measured at 1.95 M. Calculate the volume of the solution (in Liters): (5) (MM NaC,H,O,: 82.03 g/mol) 5) Common intravenous (IV) glucose solutions are prepared as 5.0 % mlv glucose. How many mililiters of solution are present in an IV bag that contains 39 grams of glucose? 6) Two solutions are prepared. The first contains glucose (C.H.O.) dissolved in water at...
Review Problem 16.066 A solution was made by dissolving 0.818 g Ca(OH)2 in 100 ml final volume. (Note: For the purpose of significant figures, assume Kw - 1.00 x 10" (a) What is the molar concentration of OH" in the solution? (OH) - (b) What is the pH? pH- (c) What is the pOH? рон (d) What is the hydrogen ion concentration in the solution? (H) - Click if you would like to Show Work for this question: Open Show...
please help with #9 due tomorrow 8. Calculate the molarity of a solution made by dissolving 0.632 g of Na:SO. (molar mass = 142.0 g/mol) in enough liquid to make 250.0 mL of solution. (6 points) Moles of Na2SO4= 0.652 :0.0044 So mais 142.0 g/mol 0.004450MLES - 0-0178 M 0.25L 9. What is the concentration (in moles per liter) of sodium ions in the solution described in question 8?