A protein molecule's diameter is measured as 42 Å using X-ray diffraction. If another measurement instrument gives the diameter in picometers (pm), and the ratio of the two measurements is , what is the value of ?
100
1000
420
42
Related Questions
A solution has a concentration of 20 g/L. Express this concentration in mg/mL.
0.02 mg/mL
2 mg/mL
20 mg/mL
200 mg/mL
