You need to prepare 100. 0 ml of a ph 4. 00 buffer solution using 0. 100 m benzoic acid (pKa=4. 20) and 0. 120 m sodium benzoate. How many milliliters of each solution should be mixed to prepare this buffer?

Which food would provide you with the most calcium?

Healing after the death of a loved one is most difficult when: a) the bereaved is not allowed to mourn in the way he or she wishes b) the death is a long, protracted one c.) a period of grief has already elapsed d) no other mourners are present

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