Chemistry, 10.12.2020 17:10 izzybella18ozgsrg
Given that sodium chloride is 39% sodium by mass how many grams of sodium chloride are needed to have 750 mg of Na present
Answers: 2
Chemistry, 22.06.2019 16:50
Answer asap need by wednesday morning explain how a buffer works, using an ethanoic acid/sodium ethanoate system including how the system resists changes in ph upon addition of a small amount of base and upon addition of a small amount of acid respectively. include the following calculations in your i. calculate the ph of a solution made by mixing 25cm3 0.1m ch3cooh and 40cm3 0.1m ch3coo-na+. [ka = 1.74 x 10-5 m] ii. calculate the ph following the addition of a 10cm3 portion of 0.08 m naoh to 500cm3 of this buffer solution. iii. calculate the ph following the addition of a 10cm3 portion of 0.08 m hcl to 200cm3 of the original buffer solution.
Answers: 1
Chemistry, 22.06.2019 17:00
The biosphere of the earth is made up of what compound? organic or inorganic?
Answers: 3
Chemistry, 23.06.2019 13:30
Did you mention that adding weight increased the pressure
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Chemistry, 23.06.2019 13:30
Asap a 50.0 ml soap bubble is blown in a 27.0°c room. it drifts out an open window and lands in a snow bank at -3.0°c. what is its new volume?
Answers: 1
Given that sodium chloride is 39% sodium by mass how many grams of sodium chloride are needed to hav...
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