HCl is the limiting reactant, and 3.5 mol H2<span> can be formed</span>
1) B+3 is ok. The exercise already put B+3. What
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2) Ge is a neutral atom because it doesn't have any charge.
Germanium has 32 electrons and 32 protons because its atomic number is 32.
Be careful with that.
Neutral atoms have the same numbers of electrons and protons.
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3)
1.35atm(760mmHg/1atm)=1026mmHg
Atomic number or the number of protons in the element.