Hitung massa dari 3×1021 atom perak!

Pertanyaan

Hitung massa dari $\style{font-size:14px}{\mathbf3\boldsymbol\times\mathbf{10}^{\mathbf{21}}}$ atom perak! $\;$

L. Avicenna

Master Teacher

Mahasiswa/Alumni Institut Teknologi Bandung

Jawaban terverifikasi

Jawaban

massa Ag adalah 0,53 gram. space

Pembahasan

$begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell mol space Ag end cell equals cell fraction numerator Jumlah space partikel space Ag over denominator L end fraction end cell row cell mol space Ag end cell equals cell fraction numerator 3 cross times 10 to the power of 21 space partikel over denominator 6 comma 02 cross times 10 to the power of 23 space partikel space mol to the power of negative sign 1 end exponent end fraction end cell row cell mol space Ag end cell equals cell 0 comma 0049 space mol end cell row blank blank blank row cell mol space Ag end cell equals cell fraction numerator massa space Ag over denominator A subscript r space Ag end fraction end cell row cell massa space Ag end cell equals cell mol space Ag cross times M subscript r space Ag end cell row cell massa space Ag end cell equals cell 0 comma 0049 space mol cross times 108 space g space mol to the power of negative sign 1 end exponent end cell row cell massa space Ag end cell equals cell 0 comma 53 space gram end cell row blank blank blank end table end style$

Jadi massa Ag adalah 0,53 gram.