Lead oxide is formed when a lead cation that has a charge of 2+ combines with an oxygen anion that has a charge of 2-. Using the
crisscross method, write the formula for lead oxide.
2 answers:
Answer : The formula for lead oxide is,
Explanation :
As we know that the lead is a metal having the atomic number 82. The symbol of lead is, (Pb). The charge on lead is (+2).
The element oxygen is the non-metal having the atomic number 8. The symbol of oxygen is, (O). The charge on oxygen is, (-2).
When the lead combine with the oxygen, it forms lead oxide. It is an ionic compound in which the a metal react with the non-metal and combine with the an ionic bond by the criss-cross method.
Hence, the formula of the lead oxide is,
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<h2>ANSWER OF EACH PART ARE GIVEN BELOW</h2>
Explanation:
A)
We know, each mole contains
atoms.
It is given that mass of one oxygen atom is m= .
Therefore, mass of one mole of oxygen, .
Putting value of n and ,
B)
Given,
Mass of water in glass=0.050 kg = 50 gm.
From above part mass of one mole of oxygen atoms = 16.0 gm.
Therefore, number of mole of oxygen equivalent to 50 gm oxygen
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