常温下,pH=3的盐酸与pH=12的Ba(OH)2溶液中和后,混合液的pH=11,则盐酸

常温下,pH=3的盐酸与pH=12Ba(OH)2溶液中和后混合液的pH=11则盐酸的体积与Ba(OH)2溶液的体积比为

A10∶1         B9∶2          C1∶10         D2∶9

答案

B

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