Question

If the mass NaOH is 0.04g, then calculate number of NaOH molecules.​

Answer 1

Answer:

This is required solution.

Answer 2

Answer:

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Explanation:

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Question = "Find the value of 'f' if arithmetic mean of the following data is 35

X - 10 , 20 , 30 , 40 , 50 , 60

frequency - 4 , 6 , 9 , f , 7 , 3

method using direct , shortcut , step deviation

Question = Calculate arithmetic mean by direct method , shortcut method , step deviation method

Marks = 5-15 , 15-25 , 25-35 , 35-45 , 45-55 , 55-65

No. of students = 6 , 4 , 10 , 3 , 7 , 5

please solve the both question