Calculate the molarity when 455 mL of 6.0 M HNO 3is used to make a 2.5 L dilution
Calculate the molarity when 455 mL of 6.0 M HNO 3is used to make a 2.5...
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...
What is molarity of a solution of NaOH prepared by diluting 20.00 mL of 6.0 M NaOH to 500.0 mL? Why can we not calculate the actual molarity of the NaOH solution as indicated in the problems above? Why is an indicator required in the reaction vessel? Which indicator is used?
How could you make 2.5 L of 0.10 M hydrochloric acid?
Question 10 (1 point) How could you make 2.5 L of 0.10 M hydrochloric acid? Hint: This is a dilution. How many moles of HCI in 2.5L of 0.1M? Use the fact that M = ? that M - n moles so # of moles n = M, V =.. O dilute 59.4 mL of 3.0 M HCl to 2.5 L with water O dilute 0.25 L of pure...
Advance Study Assignment: Molar Mass of an Unknown Acid 1. 7.0 mL of 6.0 M NaOH are diluted with water to a volume of 400 mL. We are asked to find the molarity of the resulting solution. a. First find out how many moles of NaOH there are in 7.0 mL of 6.0 M NaOH. Use Equation 1. Note that the volume must be in liters. moles b. Since the total number of moles of NaOH is not changed on...
C. Efect of Varving Temperature Constant volume of 6.OM HCl used is 6.0 mL Constant volume of diluted HCl is 50.0 mL Run Number Temperature (oC) Time to Produce 30. ml of H, gas (see) 9.98 20 Run 1 is the same data which was recorded for Run 3 of Part A above. Show all calculations and be sure to include units and the correct number of significant figures. 1. For each dilution of the 6.OM HCI in Part A....
2. Calculate the molarity (M) of 30.0 g of NaOH in 350 mL of NaOH solution. Show all the step by step work: 3. Calculate the amount of solute, in moles, grams or milliliters, needed to prepare the following solutions. Show all the step by step solution: a. 1.00 L of a 3.00 M NaCl solution (moles of solute) b. 2.00 L of a 1.50 M NaOH solution (grams of solute) c. Milliliters of 1.50 M NaCl solution to obtain...
+. Calculate the molarity of a solution containing 7.50 mol formaldehyde, CH20, in enough water to make 1.50 L of solution. 2. Calculate the molarity of 50.0 mL of solution containing 7.50 g of methanol, CHO. 3. Calculate the number of moles and grams of ethyl alcohol, C2H60, in 29.21 mL of a 6.013 M solution. Dilution: 4. Calculate the final concentration of NaCl after 1.25 L of 0.500 M NaCl is (a) diluted to 2.50 L with water and...
Prelab Question 12 (modified): If 5.00 mL of 0.00200 M Fe(NO3)3is mixed with 3.00 mL of 0.00200 M KSCN, calculate the initial concentration of Fe3+ and SCN1-in the solution.
6.0 mL of a 6.0 M stock solution of potassium dichromate is diluted by adding 194.0 mL of water. Calculate the molarity of the resulting solution of K2Cr2O7.
TML 4. Calculate the molarity when 40.0 g of sodium hydroxide is dissolved in enough water to make a 3.0 L solution. M= mol solute 40.09 Nao L soin 37. mi Calculate the more feilver nitrate in 185 ml of a 2.50 M solution.