8-10. NaOH is there in a test tube,8. What is the mass fraction of Na – McqOptions

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1.	8-10. NaOH is there in a test tube, 8. What is the mass fraction of Na in the sample?
A.	0.575
B.	0.85
C.	1.25
D.	2.28
Answer» B. 0.85

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