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Chapter 9: Q. 9.91 (page 317)

If NaClhas a solubility of 36.0gin100gof H2Oat100掳C. how many grams of water are needed to prepare a saturated solution containing 80.0gof NaCl? (9.3)

Short Answer

Expert verified

As the concluded, make a saturated solution with80.0gNaClat20掳C,222gwater is needed.

Step by step solution

01

Introduction.

A solvent is one in which there is far too much solute that adding more would cause it to dissolve.

02

Given data.

36.0gof solid NaClis decomposed in 100gof water to make a supersaturation of NaClat20掳C.

In (100/36)gof water, 1gof solid NaClis digested.

03

Explanation.

Estimate how much water is required to make 80.0gofNaCl.

=100g36g脳80g

=222g

To make a saturated solution holding 80.0gNaClat 20掳C,222gwater is required.

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