1. c
2. d
3. B
3.1. CONCENTRATION
3.1.1. TYPES
3.1.1.1. CONCENTRATED SOLUTION
3.1.1.2. DILUTE SOLUTION
3.2. METHODS
3.2.1. 1
3.2.1.1. Mole fraction (x)
3.2.1.1.1. XA + XB= 1
3.2.1.1.2. PA=k.XA ,where XA=𝑛𝐴𝑛 / 𝐴+𝑛𝐵 =mole fraction of liquid A
3.2.2. 2
3.2.2.1. Mass fraction (m)
3.2.2.1.1. Any component in the solution is the mass
3.2.3. 3
3.2.3.1. Parts per million (ppm)
3.2.4. 4
3.2.4.1. Percentage % defined by solute/solution X100
3.2.4.1.1. solute present in 100 g of solution
3.2.4.1.2. solute present in 100 mL of solution
3.2.5. 5
3.2.5.1. NUMBER OF
3.2.5.1.1. MOLES
3.2.5.1.2. Gram equivalents of solute present in 1 L of solution
3.2.5.1.3. Formula weights of solute present per liter of the solution
3.2.6. METHODS
3.2.6.1. 1
3.2.6.1.1. Mole fraction (x)
3.2.6.2. 2
3.2.6.2.1. Mass fraction (m)
3.2.6.3. 3
3.2.6.3.1. Parts per million (ppm)
3.2.6.4. 4
3.2.6.4.1. Percentage % defined by solute/solution X100
3.2.6.5. 5
3.2.6.5.1. NUMBER OF
4. a
5. b
5.1. concentration
5.1.1. types
5.1.1.1. concentrated solution
5.1.1.2. diluted solution
5.1.2. methods of expression
5.1.2.1. 1
5.1.2.1.1. mole fraction (x)
5.1.2.2. 2
5.1.2.2.1. parts per million (ppm)
5.1.2.3. 3
5.1.2.3.1. mass fraction
5.1.2.4. 4
5.1.2.4.1. percentage= (solute/solution) x 100
5.1.2.5. 5
5.1.2.5.1. number of