food moves through the mouth by muscle movement
450.0 ML because it has more solution and it would be better if the sciences users it
Answer:
C
Explanation
His greatest contribution is the atomic model
Aqua regia is used to bring precious metals into the solution .

This is the balanced reaction of Pt (platinum) .
<h3>What is aqua regia ?</h3>
It is a mixture of concentrated nitric acid and hydrochloric acid .there is three part of concentrated HCl and 1 part of concentrated nitric acid .
it is red or yellowish liquid . it is extremely corrosive and can cause skin burns . it is frequently used to dissolve gold and platinum .
The equation of reaction of aqua regia with gold :

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.Answer:
stay the same the conc. of a solution is the same throughout the liquid
Explanation: