Abuffer prepared by dissolving oxalic acid dihydrate ( h2c2o4⋅2h2o ) and disodium oxalate ( na2c2o4 ) in 1.00 l of water has a ph of 4.619 . how many grams of oxalic acid dihydrate ( mw=126.07 g/mol ) and disodium oxalate ( mw=133.99 g/mol ) were required to prepare this buffer if the total oxalate concentration is 0.150 m? oxalic acid has pka values of 1.250 ( pka1 ) and 4.266 ( pka2 ).
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Chemistry, 21.06.2019 22:30
Monkeys and bats have similar bone structure in their forelimbs. however, monkeys have longer forelimbs to use for climbing and swinging in trees. bats have shorter forelimbs to use for flight. which term best describes how monkey and bat forelimbs are related to each other? a. homologous b. embryonic c. analogous d. vestigial
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Chemistry, 22.06.2019 18:50
Which of the following is a conclusion that resulted from ernest rutherford’s scattering experiment? (will mark brainliest) a. the nucleus is negatively charged b. the atom is a dense solid and is indivisible c. the mass is conserved when atoms react chemically d. the nucleus is very small and the atom is mostly empty space
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Abuffer prepared by dissolving oxalic acid dihydrate ( h2c2o4⋅2h2o ) and disodium oxalate ( na2c2o4...
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