What is true of a solution of 1.0 M HCl(aq)? It contains 1.0 gram of HCl per 100 grams of water.
It contains 1.0 gram of HCl per 1 liter of solution.
It contains 1.0 mole of HCl per 100 milliliters of water.
It contains 1.0 mole of HCl per 1 liter of solution.

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it contains 1.0 mole of HCl per 1 liter of solution

Explanation:

quiz

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.  

the objects have the same charge.