Answer:
4 Al(s) + 3 O2(g) → 2 Al2O3(s)
Explanation:
Its Iron and Potassium because if you look at the periodic table,and you go down the list of metals, you can see what metals are there.
Ok I know this did it last year let's see chemical because you can't fix it back to its normal self
Answer:
<em>T</em><em>r</em><em>u</em><em>e</em>
Explanation:
I don't know if im correct but i hope...
Molality = moles of solute / kg of solvent
(1.875g KCl) x (1 mole KCl/74.5513 g) = 0.02515047 moles KCl
(175 g water) x (1kg/1000g) = 0.175 kg water
0.02515047 / 0.175 = 0.144 m/kg = answer
