
Calculate the new molarity if the following dilution is made. Assume the volumes are additive. a...
Calculate the new molarity if each of the following dilutions is made. Assume the volumes are additive (a) 49.4 mL of water is added to 28.2 mL of 0.108 M CaCl2 solution 4.0 M (b) 148 mL of water is added to 38.8 mL of 0.685 M NaOH solution 40 M (c) 490. mL of water is added to 102 mL of 32.3 M NaCl solution 4.0 M (d) 329 mL of water is added to 835 mL of 1.87...
4 points Calculate the new molarity of a solution if 25.0 mL of water is added to 10.0 mL of 0.251 M CaCl2 solution. Assume the volumes are additive. * Your answer
1. Calculate the molarity of the following solutions: a. 318 g Mg Br, in 859 ml solution b. 8.28 g Ca(C,H,O,), in 414 ml solution c. 31,1 g Al,(80.), in 766 ml solution d. 59.8 g CaCl, in 100 ml solution e. 313.5 g LICIO, in 250 ml solution | 849 Calculate the moles of solute needed to prepare each of the following: 2. LOL of a 3.0 M NaCl solution b. 0.40 L of a 1.0 M KBr solution...
1. Calculate the molarity of the two solutions. A.) 0.650 mol of NaOH in 1.75 L of solution. B) 15.1 g of NaCl in 891 mL of solution. 2. If 2.78 g of CuNO3 is dissolved in water to make a 0.310 M solution, what is the volume of the solution in mL? 3. How many grams of solute are present in 945 mL of 0.440 M KBr? 4. You have 67.0 mL of a 0.500 M stock solution that...
Data Table B: Dilution 5.5 M Assigned Molarity » Volume of 2.00 M NaCl added to flask (mL) 7 Mass of evaporating dish (9) Procedure Part B 8 Volume of solution (L) Mass of evaporating dish and diluted solution (9) Mass of diluted solution (g) 10 Volume of diluted solution (L) 11 • Reset the experiment. Using the concentration of the stock found with the purple tool from before and the desired final volume of 1.00 L and final concentration...
do numbers 12 through 20
FOR M A 12, Based on your knowledge of the periodic table and formulas for compounds, which of the following balanced equations is correct? a) Lig (s)+ F (g)Li,F (s) d) 2Li (s) +F2 (g)2LIF (s) b) Li (s)+ F ()LiF, (s) e) 4Li (s)+2F, (a)2LiF (s) c) Li (s)+F (g) LiF (s) 13. When the equation CH +O,CO; + H,O is balanced with the smallest whole number coefficients, it will have a a) 10:...
Chemistry 2A Lab 13: Solution Calculations Introduction This lab involves sample calculations using various concentration units. This lab will work with the following types of concentration units: % mass, % volume, % mass/volume, and molarity. A solution is the sum total of the solute and solvent. % mass= mass solute mass solution -100 volumesolute .100 % volume- volume solution % mass/volume mass solute volumesolution -100 Molarity moles solute liters solution The dilution of a liquid requires the addition of more...
4.30. Using solubility rules, predict the solubility in water of the following ionic compounds. a. AI(OH) b. CaN C. NH4CI d. KOH 4.32. Using solubility rules, decide whether the following ionic solids are soluble or insoluble in water. If they are soluble, write the chemical equation for dissolving in water and indicate what ions you would expect to be present in solution. (NE SO b. BaCO c. Pb(NOs)2 d. Ca(OH) 4.34. Write net ionic equations for the following molecular equations....
A chemistry teacher needs to make 2.30 L of a potassium chloride solution for an experimen The concentration of the required solution is 3.10 M. How many grams of KCI will she need to use? 0 7.13 g KCI 0 231 g KCI O 532 g KCI 0.0956 g KCI What is the equation for the ion product constant of water at 25 °C? Kw [H,0+][OH-] [H,O] = 1.00 x 10-14 Kw [H,0+1 [OH-] = 1.00 x 10-14 Kw =...