Question

what is mass of water in 15%NaCl solution by mass

Answer 1

Answer:

Mass of NaCl, WA= 15g

Mass of water, WB= 285g

Mass percentage of NaCl = WA × 100 / WA+WB

= 15 ×100 / 15+285

= 1500 / 300

= 5%

Mass percentage of water = WA×100 / WA+WB

= 285×100 / 15+285

= 28500 / 300

= 95%

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