How many grams of the solute NaCl are dissolved in 250.0 mL of a 12.5 % (m/v) NaCl solution?
A. | 31.3 g | |
B. | 20.0 g | |
C. | 3.13 g | |
D. | 12.5 g |
How many grams of the solute NaCl are dissolved in 250.0 mL of a 12.5 %...
(a) How many grams of solute are present in 70.0 mL of 1.33 M CoSO4? _______ g (b) If 1.50 g of (NH4)2SO4 is dissolved in enough water to form 200. mL of solution, what is the molarity of the solution? _______M (c) How many milliliters of 0.560 M NiCl2 contain 2.00 g of solute? _________ mL
Grams solute 1.50 g NaCl Molarity/Titrations/stoichiometry Volume solution Molarity solution 100.0 mL 0.2104 M 250.0 mL 0.4345 M 25.0 mL 0.500 M CuCl2 20.0g MgBr2 50.0 mL 0.295 M Ni(NO3)2 2.5 g KNO3 0.325 M KNO3 10.0 g Fe(ClO3)3 0.408 M Fe(ClO3)3
How many grams of solute are present in 80.0 mL of 1.33 M CoSO4? (b) If 1.50 g of (NH4)2SO4 is dissolved in enough water to form 300. mL of solution, what is the molarity of the solution? (c) How many milliliters of 0.560 M NiCl2 contain 1.00 g of solute?
12. Molarity, M, is defined as A. moles of solute dissolved in 1 mol of solvent. B. moles of solute dissolved in 1 kg of solvent. C. moles of solute dissolved in 1 L of solvent. D. moles of solute dissolved in 1 L of solution. E. moles of solute dissolved in the solution. 13. What volume of 2.50 M NaOH (40.00 g/mol) contains 0.100 mole of NaOH? A. 0.250 L D. 0.250 mL B. 40.0 mL E. 0.0400 mL...
Calculate the concentration in % (m/m) of a solution containing 12.5 g of NaCl dissolved in 250.0 g of H2O. Group of answer choices 50.0% (m/m) 0.05% (m/m) 5.00% (m/m) 20.0% (m/m)
How many grams of NaCl in 6.00 x 106 mL of a 20.0 %m/v solution?
24. -10.1 points 0/4 Submissions Used (a) How many grams of solute are present in 80.0 mL of 1.33 M Coso4? (b) If 1.50 g of (NH4)2S04 Is dissolved in enough water to form 300. mL of solution, what is the molarity of the solution? (c) How many milliliters of 0.510 M NiCl2 contain 2.00 g of solute? mL
Concentration is the amount of solute dissolved in a certain amount of solution: concentration of a solution=amount of soluteamount of solution Solution concentrations are usually given as one of the following: Mass percent (m/m)—the mass of the solute in grams for exactly 100 g of solution Volume percent (v/v)—the volume of solute in exactly 100 mL of solution Mass/volume percent (m/v)—the mass of solute in grams for exactly 100 mL of solution Molarity (M)—the number of moles of solute in...
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...
If the solubility of sodium chloride (NaCl) is 30.6 g/100 mL of H2O at a given temperature, how many grams of NaCl can be dissolved in 250.0 mL of H2O? If the solubility of glucose (C6H12O6) is 120.3 g/100 mL of H2O at a given temperature, how many grams of C6H12O6 can be dissolved in 75.0 mL of H2O? Only 0.203 mL of C6H6 will dissolve in 100.000 mL of H2O. Assuming that the volumes are additive, find the volume/volume...