Calculate the relative molecular weight: KNO3, AL (OH) 3, H2SiO3.
| December 3, 2020 | education
The relative molecular mass is equal to the sum of the relative atomic masses of its constituent atoms
Mr (KNO3) = 39 + 14 + 16 * 3 = 101
Mr (Al (OH) 3) = 27 + 16 * 3 + 1 * 3 = 78
Mr (H2SiO3) 1 * 2 + 28 + 16 * 3 = 78
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