What is the oxidation number of sulfur in na2s2o3?
(1) -1 (3) +6
(2) +2 (4) +4...
Chemistry, 02.10.2019 03:40 guadalupemarlene2001
What is the oxidation number of sulfur in na2s2o3?
(1) -1 (3) +6
(2) +2 (4) +4
Answers: 1
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Consider the nuclear equation below. 239/94 pu—-> x+ 4/2 he. what is x?
Answers: 2
Chemistry, 22.06.2019 04:30
The big bang nucleosynthesis theory states that elements were produced in the first few minutes of the big bang while elements have their origins in the interiors of stars, forming much later in the history of the universe.
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Calculate the number of molecules present in 0.750 mol of mgo.
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The following reaction shows sodium carbonate reacting with calcium hydroxide. na2co3 + ca(oh)2 → naoh + caco3 how many grams of naoh are produced from 20.0 grams of na2co3? (molar mass of na = 22.989 g/mol, c = 12.01 g/mol, o = 15.999 g/mol, ca = 40.078 g/mol, h = 1.008 g/mol) 12.2 grams 15.1 grams 24.4 grams 30.2 grams
Answers: 2
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