|1- Normal Saline solution that is used to dissolve drugs for intravenous use is 0.92% (m/v) NaCl in water. How many grams of NaCl are required to prepare 35.0 ml of normal saline solution?
2- A gas at a pressure of 608 mmHg is held in a container with a volume of 545cm3. The volume of the container is then increased to 1065cm3 without a change of temperature. Calculate the new pressure of the gas.
3- How many mole of gas at 100oC does it take to fill a 1.00L flask to a pressure of 1.50atm?
4- An unknown solution was found in the lab. The pH of the solution was tested and found to be 3.98. What is the concentration of hydroxide ion and hydronium ion present in the solution?
5- Calculate the numbers of grams of sucrose (C12H22O11) are present in 185 ml of 2.50 M sucrose solution?
6- Aluminium hydroxide reacts with sulphuric acid to produce aluminium sulfate and water. How many grams of aluminium hydroxide are necessary to produce 108 grams of water?
7-The colorless, odourless, tasteless gas carbon monoxide, CO is by-product of incomplete combustion of any material that contains the element carbon.
Calculate the volume, in liters, occupied by 1.52 moles of this gas at 0.992 atm pressure and a temperature of 65oC.
8-A solution contains a hydroxide ion concentration of 6.4310-9 mole/L. What is the pH of the solution?
9-Calculate the % (m/v) of 0.200L of a solution containing 5.0 moles of KCl.
10- If sulfuric acid is mixed with sodium cyanide, the deadly gas hydrogen cyanide is produced. How much sulphuric acid must be reacted to produce 12.5 grams of hydrogen cyanide.
(Solved) Normal Saline solution that is used to dissolve drugs for intravenous use is 0.92% (m/v) NaCl in water. How many grams of NaCl are required to prepare 35.0 ml of normal saline solution?
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