How many moles of MgS2O3 are in 187 g of the compound?

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Brad Parks · Answer 1 · 2017-03-21T17:43:19+0000

molar mass MgS2O3 = 136.43 g/mol

1 mole MgS2O3 ------------ 136.43 g
?? moles MgS2O3 --------- 187 g

187 x 1 / 136.43 => 1.3706 moles