D,J,R,Y represent four different compounds. D and J react according to the following equations:
D + 2J －> R + 2Y
d grams of D react with j grams of J to give r grams of R and y grams of Y . What is the value of y??
A d + j - r
B d + 2j - r
C 2( d + j - r )
D ( d + 2j - r ) / 2
chemistry....please come
2007-06-29 7:15 am
回答 (1)
2007-06-29 7:22 am
✔ 最佳答案
according to conservation of MASSd+j=r+y
y=d+j-r
參考: my maths and physics
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