ضايع في الكيمياء .. !!

[زهرة الزهور]

2-The weight of CR required to react with 5g S according to the equation 2S+2CR====>>CR2S3 ????

4- what mass of AgI can be made by the reaction of 10g of AgNo3 with 10g of NaI
AgNo3+I====>>> AgI ???
5 - How many grams of SF4 can theoretically be prepared from 6g scl2 and 3.5g of NaF
3scl2+4NaF====>> sF4+s2cl2+4Nacl .. ؟؟

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