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For questions involving (theoretical or experimental) comparison of density of elements or substances, calculating density of solutions, effects of temperature on density, and other chemical aspects of density.
-2
votes
1
answer
84
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Find the w/w percentage nitrogen in an ammonium nitrate solution
MCQ Question:
What is the w/w percentage of nitrogen (N) in an ammonium nitrate solution with a density of 1.05 g/cm3 and a molar concentration of 2.1 mol dm-3? …
0
votes
1
answer
81
views
Identify two hydrocarbons using volume and density [closed]
Density of the mixture was 14.4 times as hydrogen gas.
What could be the two hydrocarbons? …
0
votes
0
answers
151
views
Find volume of methanol produced via reaction between carbon monoxide and hydrogen gases
$ The density of methanol at $\pu{20.0 °C}$ is $\pu{0.8 g mL^-1}.$
(a) $\pu{0.89 L}$
(b) $\pu{2.5 L}$
(c) $\pu{4.8 L}$
(d) $\pu{5.0 L}$
(e) $\pu{8.1 L}$
I got two different answers, both wrong. …