Answer:
Explanation:
Hello,
In this case, given the law of conservation of mass which states that mass cannot be created nor destroyed, since the produced mass of the compound is 15.9 g and the mass of the initial substance is 12.3 g we obtain the mass of air by applying the following equation:
Thus, solving for the mass of air we obtain:
Regards.
The answer is physical as they water does not change chemically and neither does the salt.
Answer:
+3
Explanation:
It has 3 fewer electrons than protons