How many grams of NaOH are needed to prepare 300 mL of a 0.85 M NaOH solution? How many grams of NaOH are needed to prepare 225-mL of a 3.00-M NaOH solution? How many grams of NaOH are needed to prepare 850.0 mL of a 2.30 M NaOH solution? How ...
To solve the problem of how much water should be added to a 2M HCl solution to form 1 liter of 0.5M HCl, we can follow these steps:Step 1: Use the dilution formula We will use the dilution formula, which is given by: \( M1 V1 =
What volume (to the nearest 0.1 mL) of 4.70-M NaOH must be added to 0.350 L of 0.250-M HNO2 to make a pH = 4.30 buffer? a. What volume (to the nearest 0.1 mL) of 6.10-M NaOH must be added to 0.250 L of 0.350-M HNO_2 to prepare a pH...
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You want to prepare a 500 mL of 1.5 M solution of NaCl. You have powder, a beaker, a graduated cylinder and a bottle. How you would prepare the solution (MW of NaCl = 58)? How many mL of 6M NaOH would be required to ...
How much urea must be dissolved in 250ml water to prepare a decimolar ... 02:41 If the solute solvent interaction is stronger than solvent-solvent int... 02:21 For solution showing negative deviation which is false. 02:31 How the ebullioscopic constant, is related to enthalpy of vapour...
A buffer using the amino acid glycine is prepared by mixing 80 ml of 1.0M glycine, pH 0.5 (i.e. fully protonated), 55 ml of 2M NaOH and 365 ml of water. Calculate the pH and concentration of the buffe Show the calculations on h...
The pKa of hypochlorous acid, HClO, is 7.53. Calculate the ratio of the concentrations ~[ \text{ClO}^- ] : ~[ HClO ] in a solution whose pH has been adjusted to 6.50. How could you prepare 100 mL of a solution that is 22% acetic acid by volume?
Answer and Explanation:1 An osmometer is a device used to measure the concentration of solutes in a liquid. It can be used to estimate the molecular weight of a...
How many grams of glucose (C_6H_{12}O_6) should be added to prepare 500 mL solution at 3.5 M? Convert the volume of CO2 you measured in the glucose reaction to moles of CO2 using the Ideal Gas Law to solve for n. Assume P is 1 atm. n=PV/RT where P...