Calculate the amount of zinc substance taken by the mass: a) 65g, b) 6.5g, c) 13g

n-amount of substance
m-mass of matter
M-molar mass, M = 65g / mol
n = m / M
1) 65g: 65g / mol = 1 mol
2) 6.5g: 65g / mol = 0.1 mol
3) 13g: / 65g / mol = 0.2 mol



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