A 135g sample of seawater is evaporated to dryness leaving4.73g of solid residue

Question

A 135g sample of seawater is evaporated to dryness leaving4.73g of solid residue. Calculate mass percent of solute present inthe original solution. a. 3.50% b. 3.38% c. 96.6% ***I think according to the way I solved it is a. But is itreally just that easy??? A 135g sample of seawater is evaporated to dryness leaving4.73g of solid residue. Calculate mass percent of solute present inthe original solution. a. 3.50% b. 3.38% c. 96.6% ***I think according to the way I solved it is a. But is itreally just that easy???

Explanation / Answer

yes it is A. Mass percent is solute over total solution. so gsolute 4.73/ tot g 135 = .035 so 3.5 % yup

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