3 years ago

Which statement is TRUE

Chemistry

2 answers:

WITCHER [35]3 years ago

7 0

The fourth statement is true..........

Blizzard [7]3 years ago

3 0

In a parallel circuit, if one bulb goes out, all of the bulbs go out .

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Calculate [OH − ], pOH, and pH for each of the following. (Assume that all solutions are at 25°C.) (a) 0.00013 M Ca(OH)2 [OH − ]

MA_775_DIABLO [31]

Answer:

See image attached

Explanation:

The hydroxide ion concentration can easily be calculated from the concentration of the metal hydroxide solutions given as shown in the solution attached. The pH can now be obtained from there using pH+pOH=14. The pH value is always greater than the the pOH value as shown in the solution to the problems attached.

Question (c) contains incorrect data that cannot be used to calculate the required parameters.