Chemistry, 15.10.2019 20:40 tiffanibell71
Which statement best describes a molecular formula?
a. a molecular formula gives only the position of atoms present in a molecule
b. a molecular formula gives only the number and kind of atoms present in a molecule
c. a molecular formula gives only the number and kind of atoms present in a molecule and shows how large each atom is.
d. a molecular formula gives only the size of the atoms present in a molecule.
Answers: 3
Chemistry, 22.06.2019 05:00
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
Chemistry, 22.06.2019 10:30
What is the empirical formula of c6h18o3? ch3o c2h5o c2h6o c2h5o5
Answers: 1
Chemistry, 22.06.2019 11:00
What is the temperature of 0.750 mol of a gas stored in a 6,850 ml cylinder at 2.21 atm? . 2.95 k 5.24 k 138 k 246 k
Answers: 3
Which statement best describes a molecular formula?
a. a molecular formula gives only...
a. a molecular formula gives only...
Mathematics, 04.02.2022 14:00
Mathematics, 04.02.2022 14:00
Mathematics, 04.02.2022 14:00
Mathematics, 04.02.2022 14:00
Social Studies, 04.02.2022 14:00
Mathematics, 04.02.2022 14:00
Mathematics, 04.02.2022 14:00
Chemistry, 04.02.2022 14:00
English, 04.02.2022 14:00
Biology, 04.02.2022 14:00
Mathematics, 04.02.2022 14:00