To a 4L of 0.2M solution of `NaOH, 2L` of `0.5M NaOH` are added. The molarity of resulting solution is

To a 4L of 0.2M solution of `NaOH, 2L` of `0.5M NaOH` are added. The molarity of resulting solution is
A. 0.9M
B. 0.3M
C. 1.8M
D. 0.18M

Monjur Alahi

6 views

2025-01-04 04:42

1 Answers

Salim Ahmed Kawsar

Correct Answer - B
`M_(1) V_(1) + M_(2) V_(2)=M_(3) V_(3)` (Mixture)
`4 xx 0.2 + 2 xx 0.5 = M_(3) xx 6`
or 6 `M_(3)=1.8` or `M_(3)=0.3 `

6 views Answered 2023-02-05 15:29

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