某强酸溶液pH=A，强碱溶液pH=b，已知A+b=12，酸碱溶液混合后pH=7，则酸溶液体积V(酸)和碱溶液体积V(碱)的正确关系为( )
| A．V(酸)=102V(碱) | B．V(碱)=102V(酸) | C．V(酸)=2V(碱) | D．V(碱)=2V(酸) |
相关试题
It’s high time you had your hair cut ; it’s getting _______ . 
| A．too much long | B．much too long |
C．long too much | D．too long much |
My friend showed me round the town, ______ was very kind of him. 
| A．which | B．that | C．where | D．it |
They use computers to keep the traffic _______ smoothly.
| A．being run | B．run | C．to run | D．running |
If you leave the club, you will not be_____back in .
| A．received | B．admitted | C．turned | D．moved |
粤公网安备 44130202000953号