Answer: Acid-base theory at 15c the value of kw is 4.5×10^-15. what is the equilibrium concentration of oh^- at this temperature

# श्रेणी: Mathematics

## Circumference of a Circle

c=2 x pi x r OR pi x D

## Perfect Squares 1-15

1, 4, 9, 16, 25, 36, 49, 64, 81, 100, 121, 144, 169, 196, 225

## Area of a rectangle

A = length x width

## Choose the number x that should come next in this series 6, 9 14, 21 x

Answer: 41. 6+3=9. 9+5=14. 14+7=21 .