¿Que peso de hidroxido de calcio (Ca(OH)2) se tendra en 300ml de solucion 0, 2M?

<img src="https://tex.z-dn.net/?f=Hola~~%20Panchito" />

<img src="https://tex.z-dn.net/?f=Vamos~a~sacar~la~masa~molar~del~%5Cboxed%7BCa%28OH%29%20_%7B2%7D%20%7D%20%5C%5C%20%20%5C%5C%20Ca%28OH%29%20_%7B2%7D%20%3D%5B40%2B16.2%2B1.2%5D%3D74g%2Fmol%20%5C%5C%20%20%5C%5C%20Tenemos~que%3A%20%5C%5C%20%5Cboxed%7BM%3D%20%5Cfrac%7Bm%28solutos%29%7D%7BV%28solucio%27n%29%7D%20%7D%20%5C%5C%20%20%5C%5C%20Datos%3A%20%5C%5C%20M%3D0%2C2mol%2FL%20%5C%5C%20V%3D300ml--%5C%20%5Ctextgreater%20%5C%20para~litros~--%5C%20%5Ctextgreater%20%5C%20%3D0%2C3L%20%5C%5C%20m%3D%3F%20%5C%5C%20%20%5C%5C%20Reemplazandp~en~la~fo%27rmula~tenemos%3A" />

<img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B0%2C2mol%7D%7B%5Cnot%20L%7D%20%3D%20%5Cfrac%7Bm%7D%7B0%2C3%5Cnot%20L%7D%20~~--%5C%20%5Ctextgreater%20%5C%20simplificando~algunas~variables~tenemos%3A%20%5C%5C%20%20%5C%5C%200%2C2mol%280%2C3%29%3Dm%20%5C%5C%20%20%5C%5C%20%5Cboxed%7Bm%3D0%2C06mol%7D%20%5C%5C%20%20Ahora~respondiendo~la~pregunta~por~aspa~simpes~tenemos%3A%20%5C%5C%201mol------%5C%20%5Ctextgreater%20%5C%2074g%20%5C%5C%200%2C06mol----%5C%20%5Ctextgreater%20%5C%20x%20%5C%5C%20%20%5C%5C%20%20%5Cfrac%7B1%5Cnot%20mol%7D%7B0%2C06%5Cnot%20mol%7D%20%3D%20%5Cfrac%7B74g%7D%7Bx%7D%20%5C%5C%20%20%5C%5C%20%20%5Cfrac%7B1%7D%7B0%2C06%7D%20%3D%20%5Cfrac%7B74g%7D%7Bx%7D%20~~--%5C%20%5Ctextgreater%20%5C%20multiplicando~cruzado~tenemos%3A%20%5C%5C%20%20%5C%5C%20x%3D74g%280%2C06%29%20%5C%5C%20%20%5C%5C%20%5Cboxed%7B%5Cboxed%7Bx%3D4%2C44g~de~Ca%28OH%29%20_%7B2%7D%20%7D%7D" /> = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = Espero te sirva, saluos!