1、设n(Mg) = x n(Al) = y
24x + 27y = 10.2
x + 1.5y = 11.2 / 22.4
x = 0.3,y=0.2
物质的量之比3:2
2、Mg不与NaOH反应
n(H2) = 1.5 * 0.2 = 0.3mol
v(H2) = 0.3 * 22.4 = 6.72L
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1、设n(Mg) = x n(Al) = y
24x + 27y = 10.2
x + 1.5y = 11.2 / 22.4
x = 0.3,y=0.2
物质的量之比3:2
2、Mg不与NaOH反应
n(H2) = 1.5 * 0.2 = 0.3mol
v(H2) = 0.3 * 22.4 = 6.72L
手机发送的题无法回复更多