Base is used in aldol condensation reaction
<u>because</u><u> </u><u>it</u><u> </u><u>is</u><u> </u><u>an</u><u> </u><u>organic</u><u> </u><u>reaction</u><u> </u><u>to</u><u> </u><u>form</u><u> </u><u>enolate</u><u> </u><u>ion</u><u>,</u><u> </u><u>the</u><u> </u><u>OH</u><u> </u><u>bond</u><u> </u><u>present</u><u> </u><u>in</u><u> </u><u>base</u><u> </u><u>help</u><u> </u><u>to</u><u> </u><u>remove</u><u> </u><u>Acidic</u><u> </u><u>hydrogen</u><u> </u><u>of</u><u> </u><u>enolate</u><u> </u><u>ion</u><u>.</u>
A chemical reaction is when you cant change something back to the way it was before
Answer: d) 16.34 grams
Explanation:
To calculate the moles :

According to stoichiometry :
As 2 moles of
are produced by= 4 moles of 
Thus 0.292 moles of
are produced by= =
of 
Mass of 
Thus 16.34 g of
will be needed
Answer:land, crust, magma and core
Explanation: