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Chemistry, 09.09.2021 14:00, organicmemez
Heyheyhey i hope ur doing great!
i need help:'')
please help mee its urgentt
..
thank uu
Answers: 1
Chemistry, 21.06.2019 20:30, dwighthibbert56
What was the procedure by which case united states vs lopez went to court
Answers: 1
Chemistry, 22.06.2019 16:50, TrueKing184
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 17:30, sheazy3709
The polymer used for the nonstick surface of cooking utensils is 24.0%c and 76%f by mass. what is the empirical formula of this polymer?
Answers: 2
Chemistry, 22.06.2019 19:00, georgesarkes12
Mercury metal is poured into a graduated cylinder that holds exactly 22.5 ml the mercury used to fill the cylinder mass in 306.0 g from this information calculate the density of mercury
Answers: 2
Mathematics, 25.05.2021 20:10
Mathematics, 25.05.2021 20:10
Mathematics, 25.05.2021 20:10
Mathematics, 25.05.2021 20:10