Answer:
The answer is
<h2>0.087 g/mL</h2>
Explanation:
The density of a substance can be found by using the formula

From the question
mass of liquid = 2.6 g
volume = 30 mL
The density is

We have the final answer as
<h3>0.087 g/mL</h3>
Hope this helps you
x 0,025
HCl+KOH--> KCl + H2O
1 1
c=1M
V=25ml=0,025l ( you need the volume to be in l)
c = n/V
n=c*V
n=1*0,025=0,025 m KOH
x=0,025m
c=1 M
V=n/c
V=0,025/1=0,025l=25ml HCl
Answer:
102
Explanation:
(20+1+30)*2
you add the total number of atoms that can be found in one molecule of vitamin A then multiply by 2