The relative formula mass of a compound with formula XS0, is 120. Calculate the ralative atomic mass of Y.
[Relative atomic mass: S, 32; 0, 16]

72

Explanation:

Relative atomic mass of YSO = Relative atomic masses of Y + S + O

This implies; Y + 32 + 16 = 120

Y = 120 - 48

Y = 72

Hence, the relative  atomic mass of Y = 72

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acid : acids are those which accepts an electron-pairs.

base : bases are those which donates ab electron-pairs.

alkali : it is a base that dissolves in water. it is basically a base and the ph greater than 7.

hydroxide ion : it is a poly-atomic ion which is negatively charged.

cytokinesis is the splitting of a cell membrane to form 2 identical daughter cells. it's similar to mitosis as both cells have identical copies of dna and cytokinesis is a step in the mitotic cycle.