5. Calculate the molarity of a solution made by 2.0g of Ca(NO,), in 250 mL of...
What is the molarity of the solution formed by dissolving 10.0g of Ca(NO3)2 in 250 mL aqueous solution? 0.24 M 4.1M 25 M 0.040 M Question 18 5 pts Consider the reaction H2SOalaq)+ 2NaOH(aq) 2H20() +Na sOalaq) If 25 mL of H2sO4 was needed to react with 15 mL of 0.20 M NaOH, what is the molarity of the H2SO4(aq)? 0.060 M 17 M O024 M 0.12 M
What is the molarity of the solution formed by dissolving 10.0g of Ca(NO3)2 in 250 mL aqueous solution?
What would be the molarity of a solution made from 75.5 g Ca(OH), in 250.0 mL of water? Select the correct answer below: O 4.08 M 0 0 4.08 x 10 'M 0 22.3 M 2.23 x 10 M
c. Calculate the molarity of the solution made by pipetting 5 mL of 2.00 + 0.02 M NaOH with a volumetric pipet and transferring this to a 100 mL volumetric flask and diluting to the mark. Show the equation used to calculate error
i need help with 1-6 Carlos Chapter 9 Practice Problems t. A solution is made by dissolving 50.0 grams of HCI in enough water to give 2500 ml. of selutien. a) What is the molarity of the solution? b) what is the % concentration (w/v) of the solution? 2. How many grams of a protein are there in 275 mL of a 0.00%(wmor a protein soluton? 3. How many grams of NaoH are there in 855 mL of a 350...
10. Calculate the molarity of a solution made by dissolving 5 moles of NaOH in water to the total volume of 3L. 12. What volume of 3M NaOH is needed to make 250 mL of 0.5M NaOH solution? 14. How many grams of NaCl are neede to make 3.5 moles of AgCl? NaCl(aq) + AgNO3(aq)→ NaNO3(aq) + AgCl (s) 15. Calculate percent yield of the reaction, that produces 14 g of AgCl when 40g of NaCl reacts with 40 g...
Part A. caculate the molarity. 6.65 g of NaCl in 250. mL of a NaCl solution Part B. calculate the volume, in liters, for each of the following 34.0 g of NaHCO3 from a 1.00 M NaHCO3 solution (express your answer as three significant figures) Part C. calculate the final concentration of each of the following 1. a 20.0 ml sample of an 7.0% (m/v) KBr solution is diluted with water so that the final volume is 222.0 mL 2....
Calculate 1. the molarity of solution prepared by dissolving 14.7 g of Ca(NO)2 in enough a water to make 750. mL of solution. (5 pts) 2. A cup of coffee may contain as much as 300. mg of caffeine, CHo02. Calculate the molarity of caffeine in one cup of coffee. (4 cups 1L) (5 pts) 3, How much of a 2.75 M solution of AgNO3 (in mL) is needed to make 1.25 L ofa 0.150 M solution of this same...
B. Ksp of Ca(OH)2 by titration 25 mL of Ca(OH)2 used*** Molarity of HCl solution = 0.0716M 1. Final buret reading (trial 1) = 7.50 mL Final buret reading (trial 2) = 14.60 mL 2. Initial buret reading (trial 1) = 0.50 mL Initial buret reading (trial 2) = 7.50 mL 3. Volume of HCl (trial 1) _________mL Volume of HCl (trial 2) _________mL 4. Molarity of Ca(OH)2 (trial 1) __________M Molarity of Ca(OH)2 (trial 2) ___________M 5. Average Molarity...
Q2. A. Calculate the volume in ml of a 1.72 M Ca(OH), solution required to react with a 250 ml of a 1.8 M H3PO4 solution in anacid-base reaction. (use short-cut technique without balancing) H3PO4(aq) + Ca(OH)2(aq)Ca3(PO.). (aet) + H20 unbalanced B.Calculate the volume of solution required to prepare 2.0 MCa3(PO4)2 by dissolving 62 grams Ca3(PO4)2 in water. Ca=40 0=16 P=31 C. In dilution, what volume of 4.0 M HNO3 (aq) stock (initial) solution is required to prepare a 3.0...