50ml,0.1mol、L,Na2CO3的溶液中Na+得物质的量?
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50ml,0.1mol、L,Na2CO3的溶液中Na+得物质的量?50ml,0.1mol、L,Na2CO3的溶液中Na+得物质的量?50ml,0.1mol、L,Na2CO3的溶液中Na+得物质的量?5
50ml,0.1mol、L,Na2CO3的溶液中Na+得物质的量?
50ml,0.1mol、L,Na2CO3的溶液中Na+得物质的量?
50ml,0.1mol、L,Na2CO3的溶液中Na+得物质的量?
50ml=0.05L
溶液中的Na2CO3的物质的量是
0.05L*0.1mol/L=0.005mol
而Na+的物质的量是Na2CO3的2倍,为0.005*2=0.01mol