Answer:
<h2>50 g/mL</h2>
Explanation:
The density of a substance can be found by using the formula

From the question we have

We have the final answer as
<h3>50 g/mL</h3>
Hope this helps you
For the noble gasses, you get D, but metals are basically everywhere in the periodic table...
Answer:
See details below
Explanation:
The balanced reaction equation is given below:
+
→
+ 
Mole fraction of CO2 to H20
= 8/10 = 
Mole ratio of C4H10 to CO2 is 2:8 = 1:4
1 mole of n-butane - 38.12 g
4 moles - ?
= 152.48g fuel consumed.
Antimony has two naturally occurring isotopes. Their abundance is given in the pic attached below
To find the number of neutrons, subtract the number of protons from the mass number. number of neutrons=40−19=21.