a) 1 mol ------- 6,02*10^23 atomów Ca
x moli ------ 7*10^24 atomów Ca
x= 11,63 moli Ca
b) 1 mol------- 6,02*10^23 jonów Fe2+
z moli ------ 11,2*10^23 jonów Fe2+
z= 1,86 moli Fe2+
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a) 1 mol ------- 6,02*10^23 atomów Ca
x moli ------ 7*10^24 atomów Ca
x= 11,63 moli Ca
b) 1 mol------- 6,02*10^23 jonów Fe2+
z moli ------ 11,2*10^23 jonów Fe2+
z= 1,86 moli Fe2+