Answer:
A cold front is a boundary or zone that separates two air masses. The cooler more dense mass replaces the warmer.
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Explanation:
One of the most likely products for the reaction would be 
<h3>Chemical reactions</h3>
The reaction between
and
yields 3 products which are
(a precipitate),
, and
as shown by the equation below:

One of the products precipitates out of the solution to give the reaction a precipitation reaction look.
More on precipitation reaction can be found here: brainly.com/question/24158764
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261.162 grams. Use the equation n=M÷Mr.