A. what is the molarity? B. how many moles of solution in 125 mL? C. what...
HELP WITH B and C please ? (molarity stoich) How many grams of sodium nitrite are needed to make 2.50 L of 1.12 M solution? Calculate the number of moles of the precipitate formed when 525 mL of 0.500 M potassium iodide reacts with excess lead (II) nitrate. Balanced equation:___ Calculate the number of grams of precipitate formed when 2.00 L of 0.400 M calcium chloride reacts with excess silver nitrate. Balanced equation: How many milliliters of a 1.5 M...
12. a. What is the molarity of a solution made by mixing 125 mL of 5.00 M H,PO with 325 mL H30? b. What is the molarity of a solution make by mixing 75 mL of 0.25 M Na SO. with 150 mL H:07 c. What volume of 9.00 M HNO, is needed to make 675 ml of 0.750 M HNO,? d. What volume of 15.0 M H,PO4 is needed to make 750.0 mL of 3.0 MH,PO ? 13. A...
1. (p) What is the molarity of the solution that was prepared by dissolving 5.5 moles of H2SO4 to a final volume of 25 L? (Conversions with Molarity 101) 2. (IP) How many moles of potassium nitrate are in 250 mL of 0.45 M solution? (Conversions with Molarity 101) 3. (1 p) How many grams of sodium sulfate are in 500 mL of a 0.15 M solution? (Conversions with Molarity 101)
a) How many moles of Al2(SO4)3 are required to make 44 mL of a 0.090 M Al2(SO4)3 solution? (Hint, molarity is moles per liter. You know the molarity. You are given the number of mL's, which can be converted to liters. Just set it up so the units cancel and you get "moles".) moles Al2(SO4)3 b) What is the molecular weight of Al2(SO4)3, to the nearest gram? grams c) What mass of Al2(SO4)3 is required to make 44 mL of...
2. 25.5 g of NHCl is dissolved in enough water to make 750.0 mL of solution What is the molarity of the solution? b. How many moles of ammonium chloride are contained in 237 mL of solution? c. What volume in mL of this solution would contain 0.059 moles of ammonium chloride?
Just answer part 2 and 3 please (0.3 point) Part 1 ii See Periodic TableSee Hint A solution is created by dissolving 12.5 grams of ammonium chloride in enough water to make 355 mL of solution. How many moles of ammonium chloride are present in the resulting solution? moles of NH4CI 0.233 When chemists work with solid materials, we simply weigh out amounts of solid reagents and calculate mole amounts when thinking about stoichiometry. However, when we dissolve a solid...
A) How many grams of HCI are in 300.0 mL of 12.0 M HCI Solution? B) How many grams of solute are present in 125 mL of 0.20 M NaHCO3? C) What is the molarity of the solution when 55.0g of glucose C6H12O6 is dissolved in water to make 1250 mL of solution? D) What is the molarity of the solution when 35.0g of potassium phosphate dissolves in water to make 750. mL of solution? E) A 0.025 M glucose...
What is the pH of a 0.054 M HCl solution? What is the molarity of 30.0 mL of a 0.660 M NaOH solution after it has been diluted to 150.0 mL? Show all work . How many moles of gas are there in a gas-filled balloon, which has a volume of 67.0 L at a pressure of 780mmHg and a temperature of 25.0°C? Show all work Calculate the molar mass of methanol, CH3OH
HW9, How many moles of acetic acid are present in 5 ml of a 1 M Acetic Acid Solution? Show your work: * O moles of Solo Molarity. Volume (4) 5mL -0.005L IM Xosh - 1x0 .005 0.005 moles of acetic acid n bio- 1967), a/objec- esearch ify both (HW10) How many grams of sodium acetate would be required to equal the number of moles calculated within the previous question? Functie vool of * 2005
please just the answers without the work 1. Determine the molarity of the solution containing 1.5 moles of NaOH in 1000 mL total volume of solution. 2. Determine the molarity of the solution containing 0.4 moles of NaOH in 100 mL total volume of solution. 3. Determine the molarity of the solution containing 1.5 moles of KNO3 in 250 mL total volume of solution. 4. Determine the molarity of the solution containing 2.4 moles of KI in 140 mL total...