Ex 1) 45.2 g of Zn = _____ moles Zn
Ex 2) 0.568 moles Ag = _____ grams Ag
1 answer:
the molar mass of Zn is 65
- number of mole(n)=reacting mass/molar mass
- n=45.2/65
- =0.70g/mol
2.the molar mass of Ag is 108
- 0.568=m/108
- then cross multiply
- m=0.568×108
- m=61.3g
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