A 0.674 M cobalt(II) chloride (CoCl2) solution is prepared with a total volume of 0.0750 L. The molecular
weight of CoCl2 is 128.9
g/mol. What mass of CoCl2 (in grams) is needed for the solution?
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Ответ:
d. 1.0; 14.7
At sea level, the pressure of the atmosphere is about 1.0 kg·cm^(-2)
or 14.7 lb·in^(-2).