Hydrogen peroxide solution for hair bleaching is usually prepared by mixing 5.0g of hydrogen peroxide h2o2 per 100 ml of solution what is the molarity of this solution
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Ответ:
molarity = moles solvent/L solute
gram formula mass of H2O2: 34g/mol
5g/34g = 0.14705882352
100ml * 10^-3 = 0.1L
0.14705882352moles/0.1L = 1.47M
Ответ:
form when hot, molten rock crystallizes and solidifies. The melt originates deep within the Earth near active plate boundaries or hot spots, then rises toward the surface.
Explanation:
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