The element bromine is not a reddish-brown liquid. Liquid is the substance bromine.
M=DV
M=3.103 g/mL * 19.8 mL = 61.44 g
Answer:
i believe lithium dont clown me if im wrong
Explanation:
An element's atomic number shows the number of protons in its nucleus.
The number of moles in monochloro pentaborane (9) is 0.37056.
We know that ,
Number of moles = Given mass/ Molar mass
Given mass of monochloro pentaborane (9) is 20.1 g
The molar mass of monochloro pentaborane (9) is
=
=
= 54.241
Thus number of moles = 20.1/54.241
= 0.37056
To know more about mole concept
brainly.com/question/20483253
#SPJ4
Answer:
4 elements
Explanation:
The four elements would be:
C-Carbon
H-Hydrogen
O-Oxygen
S-Sulfur
Hope this helps :)