Practice Questions

The physical mechanism by which excitation energy is conveyed from the chlorophyll that absorbs the light to the reaction centre, By this mechanism the excitation energy is transferred from one molecule to another by a nonradioactive process, this mechanism is known as

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Three buffers are made by combining a 1 M solution of acetic acid with a 1 M solution of sodium acetate in the ratios shown below

1 M acetic acid

1 M sodium acetate

Buffer 1: 10 mL

90 mL

Buffer 2: 50 mL

50 mL

Buffer 3: 90 mL

10 mL

Which of these statements is true of the resulting buffers?

1 M acetic acid	1 M sodium acetate
Buffer 1: 10 mL	90 mL
Buffer 2: 50 mL	50 mL
Buffer 3: 90 mL	10 mL

Practice Questions

Three buffers are made by combining a 1 M solution of acetic acid with a 1 M solution of sodium acetate in the ratios shown below 1 M acetic acid 1 M sodium acetate Buffer 1: 10 mL 90 mL Buffer 2: 50 mL 50 mL Buffer 3: 90 mL 10 mL Which of these statements is true of the resulting buffers?

Three buffers are made by combining a 1 M solution of acetic acid with a 1 M solution of sodium acetate in the ratios shown below

1 M acetic acid

1 M sodium acetate

Buffer 1: 10 mL

90 mL

Buffer 2: 50 mL

50 mL

Buffer 3: 90 mL

10 mL

Which of these statements is true of the resulting buffers?