Roboguru

Massa dari 0,1 mol K2Cr2O7 (Ar K = 39, Cr = 52, da...

Massa dari 0,1 mol K2Cr2O7 (Ar K = 39, Cr = 52, dan O = 16) adalah...space 

Jawaban:

Rumus massa jika diketahui mol dan Mr yaitu:space 

massa space equals space mol space cross times space Mr 

Sehingga, massa 0,1 mol K2Cr2O7 adalah:space 

massa space equals space 0 comma 1 space mol space cross times space left parenthesis 2 left parenthesis Ar space K right parenthesis space plus space 2 left parenthesis Ar space Cr right parenthesis space plus space 7 left parenthesis Ar space O right parenthesis space g space mol to the power of negative sign 1 end exponent massa space equals space 0 comma 1 space mol space cross times space left parenthesis left parenthesis 2 left parenthesis 39 right parenthesis plus left parenthesis 2 left parenthesis 52 right parenthesis plus left parenthesis 7 left parenthesis 16 right parenthesis right parenthesis space g space mol to the power of negative sign 1 end exponent massa space equals 0 comma 1 space down diagonal strike mol space end strike cross times space 294 space g space down diagonal strike mol to the power of negative sign 1 end exponent end strike massa space equals space 29 comma 4 space g 

0

Ruangguru

RUANGGURU HQ

Jl. Dr. Saharjo No.161, Manggarai Selatan, Tebet, Kota Jakarta Selatan, Daerah Khusus Ibukota Jakarta 12860

Coba GRATIS Aplikasi Ruangguru

Produk Ruangguru

Produk Lainnya

Hubungi Kami

Ikuti Kami

©2021 Ruangguru. All Rights Reserved