1.40g MgO ------ 6,02·10²³ cz.
Xg MgO ------- 3,01·10²³ cz.
X= 20g MgO 2.1mol NO-------- 30g0,2mola NO ----- XX=6g 3.1 mol Na2O ------- 62g0,3mola Na2O ------ XX=18,6 g
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
1.
40g MgO ------ 6,02·10²³ cz.
Xg MgO ------- 3,01·10²³ cz.
X= 20g MgO
2.
1mol NO-------- 30g
0,2mola NO ----- X
X=6g
3.
1 mol Na2O ------- 62g
0,3mola Na2O ------ X
X=18,6 g