What is the concentration of the solution, expressed in percent by mass, that is formed from the mixing of 7.8 g from nacl into a 134.0 g of h2o

asked Sep 7, 2023 83.2k views

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9 votes

Answer:

Step-by-step explanation:

$(7.8)/(7.8+134) * 100 \approx \boxed{5.5\% \text{ (to 2 sf)}}$

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