Hola, por favor necesito ayuda con estos ejercicios de quimica:
1. El radio atómico del Magnesio (Mg) es 1,36 Å y su masa atómica es 24,312 g. Cuál es
la densidad del átomo en kg/m3. Resp. 3,8x103 kg/m3
2. Cuántos kilogramos de solución de Hidróxido de Sodio al 85% de concentración, se
necesita para preparar 5 litros de una solución de Hidróxido de Sodio al 20%. La
densidad de la solución al 20% es 1,22 g/cm3. Resp. 1,435 kg
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