Chemistry, 31.07.2019 15:30 fatty18

Which acid is the best choice to create a buffer with ph= 7.66?

Answers: 1

Show answers

Other questions on the subject: Chemistry

Chemistry, 22.06.2019 14:00, njones58emailtjcedu

What mass of natural gas (ch4) must you burn to emit 276 kj of heat?

Answers: 1

continue

Chemistry, 22.06.2019 21:40, k3rbycalilung

Tooth enamel consists mainly of the mineral calcium hydroxyapatite, ca_10(po_4)_6(oh)_2. trace elements in teeth of archaeological specimens provide anthropologist with clues about diet and diseases of ancient people. students at hamline university measured strontium in enamel from extracted wisdom teeth by atomic absorption spectroscopy. solutions with a constant total volume of 10.0 ml contained 0.726 mg of dissolved tooth enamel plus variable concentrations of added sr. added sr find the concentration of sr in the 10 ml sample solution in parts per billion = ng/ml. find the concentration of sr in tooth enamel in parts per million = mu g/g.

Answers: 2

continue

Chemistry, 22.06.2019 22:00, shaylasimonds587

The volume of an unknown substance in a sealed glass jar is 50 milliliters. the volume of the jar is 200 milliliters. which state of matter could the substance be?

Answers: 2

continue

Chemistry, 23.06.2019 04:00, izzyp619

What changes occur in the reaction indicated by the equation? check all that apply. the hydrogen nucleus loses protons. the oxygen nucleus gains protons. the bond in h2 is broken, and new bonds are formed between hydrogen and oxygen atoms. each electron associated with a hydrogen atom is shared with an oxygen atom.