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Help??? which term is defined as a generalized statement that combines many tested hypotheses to explain some aspect of the natural world? A. model b. theory c. principle d. law
asked
Mar 15, 2021
Biology
middle-school
1
answer
4
votes
142k
views
g A 500. mL solution contains 0.665 M NaC2H3O2 and 0.475 M HC2H3O2. What mass of HCl in grams needs to be added for the solution to have a pH of 4.21? The Ka of acetic acid is 1.8 x 10-5.
asked
Feb 11, 2021
Chemistry
college
1
answer
1
vote
14.0k
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