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Rashid [163]
3 years ago
6

How much salt should Ilya add to 810g of water to make 10% solution? How much solution will he make?

Mathematics
1 answer:
cestrela7 [59]3 years ago
6 0
10/100 = x / (810+x) 

1/10 = x / (810 + x)

10x = 810 + x

9x = 810

x = 90 g salt 


mass of solution = mass of water + mass of salt

ms = mw + m salt

ms = 810 + 90

ms = 900 g of solution
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