A 15.5 mL sample of 0.215 M KOH solution required 21.2 mL of aqueous acetic acid solution in a titration experiment. Calculate the molarity of the acetic acid solution.

0.156 M

Explanation:

The computation of the molarity of the acetic acid solution is shown below:

The balanced chemical reaction is

As we know that The KOH and acetic acid would have 1:1 ratio. Here we need to determine the moles of KOH

So,

moles KOH = 0.0155 L ×0.214 mol/L

= 3.317x10-3 mol

Now moles CH_3COOH = 3.317x10-3 mol

[CH3COOH] = moles ÷ volume

= 3.317 × 10^-3 mol ÷ 0.0212 L

= 0.156 M

answer is: nuclear fusion produces elements that are heavier than helium.

nuclei combine to form a heavier nucleus, releasing energy.  

for example, fusion of hydrogen atoms at the sun.  

this fusion nuclear reaction is in the inner core of the sun and hydrogen (atomic number 1) is conveted into helium (atomic number 2).  

the inner core is the central region of the sun and all solar energy is produced in the core by nuclear fusion.