A qué velocidad circula un móvil que recorre una distancia de 200 m en 45 segundosA qué velocidad circula un móvil que recorre una distancia de 200 m en 45 segundos

The depreciation per unit for a company

(a) calculate the molarity of a solution that contains 0.0345 mol nh4cl in 400 ml of solution. (b) how many moles of hno3 are present in 35.0 ml of a 2.20 m solution of nitric acid? (c) how many milliliters of 1.50 m koh solution are needed to supply 0.125 mil of koh ?

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10