Answer:
to collect pure hydrogen and avoid mixing with air
Answer:
Lithium chloride is a white solid hygroscopic soluble in water.
Answer:
We can make 10 percent solution by volume or by mass. A 10% of NaCl solution by mass has ten grams of sodium chloride dissolved in 100 ml of solution. Weigh 10g of sodium chloride. Pour it into a graduated cylinder or volumetric flask containing about 80ml of water.
Explanation:
have a good day
