Question

find the mass percentage composition of all the element in NH3​

Answer 1

Hi there,

◇Given

• Atomic mass of N =14

• Atomic mass of H =1

• Molar mass of NH3 = 17

♤ Mass percentage = atomic mass ÷ molar mass × 100

So

☆ N% = 14÷17 ×100= 82.35%

☆ H% = 3÷17 ×100= 17.64%

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