W ilu gramach wody znajduje się tyle samo atomów, ile jest w 32g azotanu V magnezu?
m Mg(NO3)2=148u148g azotanu ------ 9moli at.32g azotanu ------- x moli at.x = 1,95mola at.m H2O=18u18g H2O ------ 3mole at.xg H2O -------- 1,95mola at.x = 11,7g H2O
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m Mg(NO3)2=148u
148g azotanu ------ 9moli at.
32g azotanu ------- x moli at.
x = 1,95mola at.
m H2O=18u
18g H2O ------ 3mole at.
xg H2O -------- 1,95mola at.
x = 11,7g H2O