Answer:
U will equate and make V2 the subject
Examples of isotones
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Answer:
38.32 mL is minimal volume of hot water that is needed to dissolve 2.1 g of pure acetanilide.
Explanation:
Mass of acetanilide to be dissolved in hot water = 2.1 g
Mass of hot water to be used = m
Solubility of acetanilide = 55 g/L
This means that 55 grams of acetanilide dissolves in 1 L of hot water.
Then 1 grams of acetanilide will dissolve in :
0.0382 L = 0.0382 × 1000 mL =38.2 mL
1 L = 1000 mL
38.32 mL is minimal volume of hot water that is needed to dissolve 2.1 g of pure acetanilide.
The shape of an ammonia molecule is trigonal pyramidal (see the image below).
The N atom is at the top of the pyramid and the three H atoms are at the corners of a triangular base.
