Chemistry, 25.07.2021 14:00 nails4life324
Cho 8,1 gam nhôm tác dụng với 29,4 gam axit sunfuric thu được khí hidro và muối nhôm sunfat
a. Tính thể tích khí hidro thu được (đktc)?
b. Tính khối lượng muối nhôm sunfat tạo thành
Answers: 2
Chemistry, 21.06.2019 22:30, dianasmygova
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
Answers: 1
Chemistry, 22.06.2019 05:00, mahhvelousg97
You mix the pks of succinic acid are 4.21 and 5.64. how many gramsa graduate student at sdsu wants to measure the activity of a particular enzyme at ph 4.0. to buffer her reaction, she will use a buffer system based on one of the acids listed below, which acid is most appropriate for the experiment? of monosodium succinate (fw = 140 g/mol) and disodium succinate (fw = 162 g/mol) must be added to 1 l of water to produce a solution with a ph 5.28 and a total solute concentration of 100 mm? (assume the total volume remains 1 liter, answer in grams monosodium succinate, grams disodium succinate, respectively.) volumes of 0.05 m nah2po4 and 0.05 m na2hpo4 (pk's for phosphoric acid are 2.15, 6.82 and 12.38). which of the following best describes the resulting solution?
Answers: 2
Cho 8,1 gam nhôm tác dụng với 29,4 gam axit sunfuric thu được khí hidro và muối nhôm sunfat
a. Tính...
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