Question

find the number of moles present in 20g of NaOH and 90g of water
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Answer 1

Answer:

0.5 mol NaoH and

5 mol H2o

Explanation:

molar mass of naoh =40

No.of moles=given mass/molar mass

No.of moles of naoh=20/40=0.5 mol

No.of moles of h2o=90/18=5 mol

Answer 2

Answer:

✔️✅✔️✅✔️

0.5 moles in 20g of NaOH

5 moles in 90g of water

Hope you got

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