A chemist wants to prepare 75.0 g of a 1.75% solution of NaCl by diluting a...
STOICHOMETRY Dilution A chemist must prepare 1000 ml of 5.00 mM aqueous copper(IT) fluoride (CuF) working solution. He'll do this by pouring out some 0.00579 M aqueous copper(11) fluoride stock solution into a graduated cylinder and diluting it with distilled water. Calculate the volume in mL of the copper(II) fluoride stock solution that the chemist should pour out. Be sure your answer has the correct number of significant digits.
A solution is created by dissolving 25.0 g of NaCl in enough water to form 150 mL of solution. Determine the molarity of the solution. What is the molarity of the diluted solution if 30.0 mL of 1.25 M acetic acid is diluted to 175 mL? Given the following reaction: 2 Al (s) + 6 HCl (aq) ® 2 AlCl3 (aq) + 3 H2 (g) How many grams of hydrogen are produced by the reaction of 75.0 mL of 0.825...
2. What is the molarity of a solution in which 38.7 g of NaCl is dissolved in enough water to make a total of 1.00 L of solution? answer 3. What is the molarity of a solution in which 10.0 g of AgNO3 is dissolved in 500. mL of solution? answer 4. How many grams of K2SO4 would it take to make 1.50 L of a 0.500 M solution? answer 5. Calculate the % (m/V) of a 0.0600 L solution...
Commercial hydrochloric acid is 12.4 M. A chemist wants to prepare 0.334 M HCI. How many milliliters (ml) of the acid is required to make up 1.75 L of the dilute acid? 1 decimal place, fill in the number ONLY.
mol A chemist must prepare 625. mL of 1.00M aqueous aluminum chloride (AICI,) working solution. He'll do this by pouring out some 1.98 - aqueous L aluminum chloride stock solution into a graduated cylinder and diluting it with distilled water Calculate the volume in mL of the aluminum chloride stock solution that the chemist should pour out. Be sure your answer has the correct number of significant digits. ? X
A chemist must prepare 950 mL of 69.0 M aqueous silver(II) oxide (Ago) working solution. He'll do this by pouring out some 82.2 uM aqueous silver(II) oxide stock solution into a graduated cylinder and diluting it with distilled water. Calculate the volume in mL of the silver(II)oxide stock solution that the chemist should pour out. Be sure your answer has the correct number of significant digits. X 5 ?
In a study designed to prepare new gasoline-resistant coatings, a polymer chemist dissolves 6.117 g poly(vinyl alcohol) in enough water to make 100.0 of mL solution. At 25°C, the osmotic pressure of this solution is 0.266 atm. What is the molar mass of the polymer sample?
A student prepared a stock solution by dissolving 5.00 g of KOH in enough water to make 150. mL of solution. She then took 15.0 mL of the stock solution and diluted itwith enough water to make water to make 65.0 mL of a final solution. What is the concentration of KOH for the final solution?A) 0.137 MB) 7.30 MC)5.61 MD) 0.178 M
You want to prepare 50 mL of a 20% NaCl salt solution from a 100% stock. Calculate the amount of stock as well as the amount of water you need to use to make this dilution. Assume that you have unlimited volume of the stock.
Solution Worksheet Name 1.12.5 g of NaCl is dissolved in enough water to make 0,683 L of solution: a. What is the molarity of the solution? b. How many moles of Nail are contained in 0.0100 L of the above solution? What volume (L) of this NaCl solution would contain 0.150 moles of NaCl? 2. 255 g of NHCl is dissolved in enough water to make 7500 ml of solution What is the molarity of the solution b. How many...