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Answer:
64 kg
Explanation:
The computation of the number of kg need to ordered is shown below:
As we know that

Now as we know that
1 mole of
generated from 1 mole of 
Now
26g of
generated from 64g of 
And,
26kg of
generated from
= 
= 64kg 
Hence, the number of kg that required for ordering the calcium carbide is 64 kg
Answer:
Fácil, vas a la tabla periódica, y el número de protones, será el numero atómico, es decir, el que determina qué elemento es. Y para obtener el de electrones, deberás, restarle al numero másico el numero atómico, que es el número de protones y electrones en el elemento.
Explanation: