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chemistry (acids&bases)?
an acidic solution is prepared by dissolving 0.5 moles of HCl in water,so that the final volume of the solution is 5Liters .determine the PH of the solution
3 個解答Chemistry7 年前please solve this geomentry sun?
1)triangle ABC with AB=AC=10 cm and has been inscribed in a circle. find the radius of the circle
2)PQ is the chord of length 8 cm of a circle of r=5 cm. the tangent at P and Q interdect at a point T . find the TP
3)the ratio of the number of sides of regular polygon is 1:2, abd the ratio of the sum of the interior angles is 3:8. find the numbr of sides
THANKS IN ADVANCE
1 個解答Homework Help7 年前