1.

in chlorine.^(35)CIand .^(37) CI isin3:1ratiocalculatechargeatomicmass.

Answer»

Solution :three `.^(35) CI` and one `.^(37)CI` totalfour CI
massof fourCI= 3 (35)+ 1 (37) 142 AMU
atomicmass ofCI` =(142)/( 4) = 35.5`amu


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