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Problem- What is the pH of 75.0 mL of a solution that is 0.047 M in weak base and 0.053 M in the conjugate weak acid (Ka = 7.2 × 10-8)?pH = ?
Explain each and every step in detail. I need proficient help in the above problems.
calculate the pH of a solution formed by mixing 65 mL of .27 M NaHCO3 with 75 mL of .12 M Na2CO3
Silicon has a FCC structure with unit cell edge of 5.43A and 4 atoms per init cell. a) how many silicon atoms are there in 1cm3 of material b) suppose you dope that 1 cm3 sample of silicon with 1ppm of phosphorus that will increase the conductivit..
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