Question

How many milliliters of 4.3 m hcl must be transfered from a reagent bottle to provide 21 g hcl for a reaction?

Answer 1

mHCl: 1+35,5 = 36,5 g/mol

36,5g ---- 1 mol
21g ------- X
X = 0,575 mol

C = n/V
V = n/C
V = 0,575/4,3
V = 0,1337 L = 133,7 mL

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