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Lengkapi tabel berikut! (A r N=14, H=1, S=32, O=16, C=12)

Lengkapi tabel berikut! (Ar N=14, H=1, S=32, O=16, C=12)

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A. Nurul

Master Teacher

Mahasiswa/Alumni UIN Syarif Hidayatullah Jakarta

Jawaban terverifikasi

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Pembahasan

molekul NH 3 menentukan M r NH 3 : menentukan molNH 3 : menentukan jumlah partikel NH 3 : menentukan volume NH 3 : molekul CO 2 menentukan M r CO 2 : menentukan molCO 2 : menentukan massa CO 2 : menentukan jumlah partikelCO 2 : molekul H 2 SO 4 : menentukan M r H 2 SO 4 : menentukan mol H 2 SO 4 : menentukan massaH 2 SO 4 : menentukan volumeH 2 SO 4 : Jadi , tabel lengkap seperti berikut :

  • molekul NH3 

menentukan Mr NH3 :

M subscript r space N H subscript 3 equals space A subscript r space N plus left parenthesis 3 cross times A subscript r space H right parenthesis space space space space space space space space space equals space 14 plus left parenthesis 3 cross times 1 right parenthesis space space space space space space space space space equals space 17  

menentukan mol NH3 :

n space equals massa over M subscript r n space equals fraction numerator 3 comma 4 over denominator 17 end fraction n space equals space 0 comma 2 space mol

menentukan jumlah partikel NH3:

JP space equals space n space cross times space bilangan space avogadro space space space space equals space 0 comma 2 space cross times left parenthesis 6 comma 02 cross times 10 to the power of 23 right parenthesis space space space space equals 1 comma 204 space cross times space 10 to the power of 23

menentukan volume NH3:

V space equals space n space cross times space 22 comma 4 space space space equals 0 comma 2 cross times 22 comma 4 space space space equals 4 comma 48 space L 

  • molekul CO2

menentukan MCO2 :

M subscript r space C O subscript 2 equals space A subscript r space C plus left parenthesis 2 cross times A subscript r space O right parenthesis space space space space space space space space space equals space 12 plus left parenthesis 2 cross times 16 right parenthesis space space space space space space space space space equals space 12 plus 32 space space space space space space space space space equals 44  

menentukan mol CO2 :

n space equals fraction numerator V over denominator 22 comma 4 end fraction n space equals fraction numerator 11 comma 2 over denominator 22 comma 4 end fraction n space equals space 0 comma 5 space mol 

menentukan massa CO2:

massa space equals space n space cross times M subscript r massa space equals space 0 comma 5 space cross times 44 massa space equals 22 space gram 

menentukan jumlah partikel CO2:

JP space equals space n space cross times space bilangan space avogadro space space space space equals 0 comma 5 space cross times left parenthesis 6 comma 02 cross times 10 to the power of 23 right parenthesis space space space space equals 3 comma 01 cross times 10 to the power of 23  

  •  molekul H2SO4 :

menentukan Mr H2SO4 :

M subscript r space H subscript 2 S O subscript 4 equals left parenthesis 2 cross times A subscript r space H right parenthesis plus A subscript r space S plus left parenthesis 4 cross times A subscript r space O right parenthesis space space space space space space space space space space space space space equals left parenthesis 2 cross times 1 right parenthesis plus 32 plus left parenthesis 4 cross times 16 right parenthesis space space space space space space space space space space space space space equals 2 plus 32 plus 64 space space space space space space space space space space space space space equals 98   

menentukan mol H2SO4:

n space equals fraction numerator JP over denominator bilangan space avogadro end fraction n space equals fraction numerator 3 comma 01 cross times 10 to the power of 23 over denominator 6 comma 02 cross times 10 to the power of 23 end fraction n space equals space 0 comma 5 space mol 

menentukan massa H2SO4 :

massa space equals n space cross times space M subscript r space massa space equals 0 comma 5 space cross times space 98 massa space equals 49 space gram space 

menentukan volume H2SO4 :

V space equals space n space cross times space 22 comma 4 space space space equals space 0 comma 5 space cross times space 22 comma 4 space space space equals 11 comma 2 space L 

Jadi, tabel lengkap seperti berikut :

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Lengkapi tabel dibawah ini, bila diketahui ArP = 31, Ca = 40, O = 16, Zn = 65, N = 14, Mg = 24, K = 39, Cr = 52, Mn = 55. Ditulis pembahasan perhitungannya.

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