Answers: 3
Chemistry, 21.06.2019 17:10, shafferakr6
There are 6.022 x 10^23 atoms of hg in 1 mole of hg. the number of atoms in 4.5 moles of hg can be found by multiplying 4.5 by 6.022 x 10^23 a. 2.7 x 10^24 b. 27 x 10^23 c. 2.71 x10^24 d. 27.099 x 10^23
Answers: 3
Chemistry, 22.06.2019 16:30, Eddie997
For the reaction shown, calculate how many moles of no2 form when each of the following completely reacts. 2n2o5(g)→4no2(g)+o2(g) part a 1.0 mol n2o5 express your answer using two significant figures. nothing mol m o l request answer part b 5.4 mol n2o5 express your answer using two significant figures.
Answers: 2
Chemistry, 23.06.2019 00:00, maronetham6253
What is the empirical formula of a compound that is 50.7% antimony and 49.3% selenium ?
Answers: 2
Chemistry, 23.06.2019 09:10, amandapill
In a 28 g serving of cheese curls there are 247mg of sodium. how much sodium is in a 12.5 ounce bag
Answers: 1
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26. A solution of hydrogen peroxide is 23.3% H2O2 by mass and has a density of 1.11
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