\({\%~of~an~element} = \frac{mass~of~an~element~in~the~compound}{relative~formula~mass~M_r} \times 100\) There are six atoms of hydrogen in the compound, so the mass ...
relative formula mass of H 2 = (2 × 1.0) = 2.0 Next, work out the total relative formula mass or relative atomic mass of the reactants. relative atomic mass of Zn = 65.4 relative formula mass of HCl = ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback