Answer:
0.10417 mol
Explanation:
first step you find the mr of ammonium carbonate { (NH4)2CO3 }
mr of (NH4)2CO3:
=(2×Ar of N) + (8×Ar of H) + (1×Ar of C) + ( 3× Ar of O)
=(2×14) + (8×1) + (1×12) + (3×16)
= 28 + 8 + 12 + 48
=96
no of moles = mass ÷ mr
= 10 ÷ 96
= 0.10417 mol
