URGENT PLS HELP A solution contains the following ions, each in 0.1 M concentration: Ag+ (aq), Ba2+(aq), Al3+ (aq). Refer to the solubility table and indicate a procedure by which these ions may be separated from each other and from the solution. Make sure to clearly indicate the order of separation.
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Ответ:
S/.486 es el valor del anillo
Explanation:
Para hallar el precio del anillo se deben encontrar las moles de oro que contiene este.
Si el anillo es de 90g y solo el 59.1% contiene oro, la cantidad de oro en gramos es:
90g × 59.1% = 53.19g Oro en el anillo
Ahora, para convertir los gramos de oro a moles se debe usar la masa atómica del oro (197g/mol), así:
53.19g × (1mol / 197g) = 0.27 moles de oro contiene el anillo.
Ya que cada mol de oro cuesta S/.1800, 0.27 moles de oro (Y por lo tanto, el anillo) costarán:
0.27mol × (S/.1800 / 1mol oro) =
S/.486 es el valor del anillo