Chemistry, 06.03.2020 22:36 AptAlbatross
A scientist wants to make a solution of tribasic sodium phosphate, Na3PO4, for a laboratory experiment. How many grams of Na3PO4 will be needed to produce 725 mL of a solution that has a concentration of Na ions of 0.700 M
Answers: 3
Chemistry, 22.06.2019 20:20
The characteristics of two different types of reactions are shown below: reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of an element. which statement is true about the atoms of the elements that participate in the two reactions? their identity changes in both reaction a and reaction b. their identity changes in reaction a but not in reaction b. their identity changes in reaction b but not in reaction a. their identity remains the same in both reaction a and reaction b.
Answers: 1
Chemistry, 22.06.2019 23:00
In the reaction h2co3 (aq) + 3nh3 (aq) = 2 nh4+ (aq) + co3 2-, how many electrons are transferred?
Answers: 3
Chemistry, 23.06.2019 01:50
Ablock of aluminum is dropped into a graduated cylinder with an initial volume of water at 75ml and the volumes rises to 90ml. if the block has a mass of 40.5 g what is its density ?
Answers: 1
Chemistry, 23.06.2019 02:20
Why dose heating increase the speed at which a solution dissolved in water
Answers: 1
A scientist wants to make a solution of tribasic sodium phosphate, Na3PO4, for a laboratory experime...
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