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limerat204Lv1
3 Feb 2023
For this question, choose TWO answers. Which of the following conversions are needed to calculate the number of atoms in a 8.5 gram sample of sodium?
(A) 1 mol = 6.022 x 
atoms
(B) 1 gram = 6.022 x atoms
(C) 8.5 g/mol = 6.022 x atoms
(D) 8.5 g/ mol = 22.99 g / mol
(E) 22.99 grams = 1 mol
For this question, choose TWO answers. Which of the following conversions are needed to calculate the number of atoms in a 8.5 gram sample of sodium?
(A) 1 mol = 6.022 x atoms
atoms(B) 1 gram = 6.022 x atoms
atoms(C) 8.5 g/mol = 6.022 x atoms
atoms(D) 8.5 g/ mol = 22.99 g / mol
(E) 22.99 grams = 1 mol
wahabmunir796Lv10
12 Jul 2023
prathugayamLv8
4 Feb 2023
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indicates the end point. A student preformed an iodometry titration with sodium thiosulfate as titrant, starch as an indicator (it forms blue complex with iodine molecules) and iodine compound. The balanced reaction is:
Thiosulfate \left
used to titrate 10.00 mL of 
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