1) Oblicz jaką liczbę moli stanowi 14,8g Ca(OH)2
2) Oblicz ile gram Cl jest zawarte w 3,06g Al2O3
1) M Ca(OH)2=74g/mol
74g Ca(OH)2-------1mol
14,8g Ca(OH)2------xmoli
x = 0,2mola
2) M Al2O3=2*27u+3*16=102g/mol
102g Al2O3------54g Al
3,06g Al2O3------xg Al
x = 1,62g Al
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
1) M Ca(OH)2=74g/mol
74g Ca(OH)2-------1mol
14,8g Ca(OH)2------xmoli
x = 0,2mola
2) M Al2O3=2*27u+3*16=102g/mol
102g Al2O3------54g Al
3,06g Al2O3------xg Al
x = 1,62g Al