Answer:
B.) Oxygen is usually -2
Explanation:
Hydrogen is usually +1.
A pure group 1 element is not always +1.
A monoatomic ion can be a range of numbers. However, it must be a charge other than 0.
Density is weight by volume.
First. If you divide the weight by density you can find the volume
Second you must convert the ML in to Liters.
![\frac{321 \frac{g}{1}}{0.84 \frac{g}{mL}} = \frac{321(g)(mL)}{0.84g}=\frac{321mL}{0.84}=382.14mL](https://tex.z-dn.net/?f=%20%5Cfrac%7B321%20%5Cfrac%7Bg%7D%7B1%7D%7D%7B0.84%20%5Cfrac%7Bg%7D%7BmL%7D%7D%20%3D%20%5Cfrac%7B321%28g%29%28mL%29%7D%7B0.84g%7D%3D%5Cfrac%7B321mL%7D%7B0.84%7D%3D382.14mL)
1L=1000ml
![\frac{1L}{1000mL}](https://tex.z-dn.net/?f=%20%5Cfrac%7B1L%7D%7B1000mL%7D%20)
![(382.14mL)( \frac{1L}{1000mL})= \frac{(382.14mL)(L)}{1000mL} =\frac{382.14L}{1000}=0.38214L](https://tex.z-dn.net/?f=%28382.14mL%29%28%20%5Cfrac%7B1L%7D%7B1000mL%7D%29%3D%20%5Cfrac%7B%28382.14mL%29%28L%29%7D%7B1000mL%7D%20%3D%5Cfrac%7B382.14L%7D%7B1000%7D%3D0.38214L)
0.38214 Liters.
It 1
cause yea it is im doing it in class and the answers is 1