Calculate the mass of sodium. Necessary to obtain 10.7 g of sodium chloride in excess of chlorine, the reaction scheme: 2Na + Cl2 = 2NaCl

univerkov | November 26, 2020 | education

According to the equation, the ratio of Na to NaCl is 1:
Find the number of moles of NaCl
M (NaCl) 58.4 g / mol
n = m / M = 10.7 / 58.4 = 0.18 mol
Find the mass of sodium
m (Na) 23 * 0.18 = 4.14 g

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