Respuesta :

We will consider the following formula for calculating mass of the substance:

Moles(n) = mass of a substance /Molecular mass of a substance (M.mass)

∴mass =n x M.Mass

(a) given that:

moles (n) =0.150 mol I am done answering.;

molecular mass of Ba(OH)2=171.34 g/mol

∴mass Ba(OH)2 =0.150mol x 171.34 g/mol

=25.701 grams

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