Why should we care about chemistry? If you’re asking yourself this question, you do not realize how important chemistry is to our daily lives. Chemistry is imperative for our basic needs, such as food, clothing, shelter, health, energy, clean water, and soil. Chemicals also help us to find new cures for deadly diseases or treatments for illnesses. Science is the reason why we now have a COVID vaccine. This quiz will show you how valuable chemistry is.
KS2
K3S2
K2S
K2S3
281.4 g/mol
298.4 g/mol
299.5 g/mol
315.5 g/mol
1.5 m/sec
1.37 m/sec
1.39 m/sec
2 m/sec
6.4 g
4.9 g
5.1 g
12.8 g
154.56 g
155 g
154.1 g
156 g
Mol solute / L solvent
Mol solute / ml solvent
Mmol solute / ml solution
Mmol solute / L solution
Halogens
Noble gases
Alkali metal
Chalcogens
3.3 M
3.5 M
4.00 M
3.75 M
0.0080
0.00750
0.0076
0.0075
31*10^23
31.8*10^23
32*10^24
5.3*10^23
3.4 M
3.53 M
3.00 M
4.1 M
+1
-1
+2
Non of the above
11.2 g
12.1 g
12.24 g
13.35 g
1.500 M
0.9803 M
0.4902 M
0.2500 M
0.48
0.4
0.5
0.4816
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