Question 1
How do you calculate molarity from a percentage weight per weight (w/w) for a solution with a known density?
Question 2
Why is the molar mass important in converting percentage to molarity?
Question 3
Which conversion technique helps in expressing concentration from ppm to molarity?
Question 4
What volume of 90% w/w sulfuric acid solution is required to prepare 500 ml of 2 molar solution?
Question 5
For a solution with 70% w/w HCl and a density of 1.67 g/mL, what is the calculated molarity?
Question 6
What is the primary purpose of using volumetric flasks in solution preparation?
Question 7
Why is it important to shake the solution after diluting to the desired volume?
Question 8
For cadmium at a concentration of 1.25 ppb in water, what is the mass contained in 1 liter?
Question 9
If a solution contains 2.5 mg of sodium in 500 ml of water, what is the concentration in ppm?
Question 10
In chemical calculations why is molecular weight essential?
Question 11
In concentration expressions, what does ppt stand for?
Question 12
What is the definition of weight per weight (w/w) concentration?
Question 13
How do you convert parts per million (ppm) into a molarity?
Question 14
What is an effective way to ensure accuracy when preparing solutions in the lab?
Question 15
What does the concentration term 'parts per billion (ppb)' specifically indicate?