How many grams of NaOH are needed to prepare 0.40 L of a 0.95 M NaOH solution? How many grams of NaOH are needed to prepare 0.375 L of a 0.600 M NaOH solution? How many grams of NaOH are needed to prepare 300 mL of a 0.85 M Na...
Step by step video & image solution for How much urea must be dissolved in 250ml water to prepare a decimolar solution? by Chemistry experts to help you in doubts & scoring excellent marks in Class 12 exams.Updated on:21/07/2023Class...
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 =
How would you prepare 250 mL of a buffer having a pH of 3.60 using 0.500 M NaOH solution and 0.500 M HNO2 solution? 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? ...
下面四个命题： ①“直线a∥直线b”的充分条件是“直线a平行于直线b所在的平面”； ②“直线l⊥平面α”的充要条件是“直线垂直平面α内无数条直线”； ③“直线a，b不相交”的必要不充分条件是“直线a，b为异面直线”； ④“平面α∥平面β”的必要不充分条件是“平面α内存在不共线三点到平面β的距离...
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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 would you prepare 100mL of 0.25 mM NaOH solution from an 8M NaOH stock solution? Show steps and explain. If a stronger solution of sodium bicarbonate was used in experiment, would it require more or less acetic acid to neutra...