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It’s “c. +1” because the Sodium is losing a proton, which has a positive chage
Water is formed when this happens
Answer: 66
Explanation: To find the mass number you would have to add the number of protons and the number of neutrons.
Answer:

Explanation:
Given
Required
Calculate the number of moles
We'll apply the following formula to solve this question

Where

The above equation is an illustration of the ideal gas law
Substitute values for p, V, R and T in:




<em>Hence, there are 243.605 moles</em>