Answer:
+2
Explanation:
The nitrate ion is a radical with an overall charge of -1. To get the oxidation number of lead, add up all the oxidation numbers and equate to zero. Therefore the oxidation state of lead is +2.
<em><u>Given</u></em>
Weight of pottasium fluoride (KF) = 29 gms
<em><u>To find</u></em>
Number of moles of pottasium fluoride = ?
<em><u>Solution</u></em>
we know that molar mass of KF = 58.0967 g
Now,

<em>Number of moles = 29/58 = 0.5 moles</em>
<u><em>Thanks</em><em> </em><em>for</em><em> </em><em>joining</em><em> </em><em>brainly</em><em> </em><em>community</em></u>
The answer is A; it shows that the number of rabbits increase as the times increases
Answer:

Explanation:
Hello,
In this case, considering that the density of a body is computed given its mass and volume:

Taking into account that the mass is 24.32 g and the volume is computed via the difference between the volume of the water with the brass and the volume of water by itself as follows:

The density of the piece of brass turns out:

Best regards.
The answer is C, I hope this answers your question :)