Chemistry, 14.09.2019 08:30, Aurionna101
A.) how would you prepare .250 l of a 0.300 m phosphate buffer at ph=3 (h3po4: pka1 = 2.12, pka2 = 7.21, pka = 12.32) using the appropriate weak acid and conjugate salt. b.) how would you prepare the assigned buffer (given in question #1a) if using combining the weak acid and 0.400 m naoh? c.) how would you prepare the assigned buffer (given in question #1a) if using combining the weak acid and 0.400 m hcl?
Answers: 3
Chemistry, 21.06.2019 20:40, Islandgirl67
If equal masses of the listed metals were collected , which would have a greatest volume ? a. aluminum 2.70,b. zinc7.14,c. copper 8.92,d. lead 11.34
Answers: 2
Chemistry, 22.06.2019 07:00, maryjane8872
Which set of characteristics best describes igneous rock? a) largest type of rock, made of organic matter, hardest type of rock b) least abundant type of rock, made of other rocks, made mostly of minerals c) found on all continents, contains wavy bands of stripes, contains fossils d) most abundant type in earth's crust, made of magma/lava, contains no fossils
Answers: 1
Chemistry, 22.06.2019 19:30, toriabrocks
If 16.00g of hydrogen gas reacts with 126.73g of oxygen, how many grams of water are yielded? (both reactants are completely consumed in the reaction.)
Answers: 2
A.) how would you prepare .250 l of a 0.300 m phosphate buffer at ph=3 (h3po4: pka1 = 2.12, pka2 =...
Mathematics, 10.12.2021 01:00
Computers and Technology, 10.12.2021 01:00
History, 10.12.2021 01:00
Mathematics, 10.12.2021 01:00
Advanced Placement (AP), 10.12.2021 01:00
Mathematics, 10.12.2021 01:00