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end-of-chapter test
chapter 4 higher
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11 amra made up a 100 cm solution of hydrochloric acid and calculated how many acid
particles were in it. she then divided the solution equally into two clean beakers and
used water to make each beaker up to 100 cm.
explain what has happened to the concentration of the solution amra first made.
(3 marks)

answer; i believe the correct answer is (c) /// is a homogeneous mixture of gaseous substance nitrogen,oxygen and smaller amounts of other substancesmixtures can be either ( homogeneous or heterogeneous)plz check first good luck

your parents i think this could be it

a compound is a molecule made of atoms from different elements.

a. by the combination of an unlimited number of elements