I actually do not know the answer can I help tommorow if you are fine with it tooo sleeeepy have 14 exams tommorow have to prepare.
Sorry:(
Answer:
NaOH = 40 g/mole
M = 10*d*m% /MW
M = 10*1.116*15/ 40
M = 4.185
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pH = 11 –––> pOH = 3 –––> [OH–] = 10^–3 M
M1*V1 = M2*V2
4.185* V1 = 10^–3 * 5.3
V1 = 1.27×10^–3 L = 1.27 ml
The answer would be Rocks, metals, hydrogen compounds, hydrogen and helium, all in gaseous form.