[لوتي الطويرقي]

طيب دا

Calculate the volume of PH3 at 20°C and 888.0 mmHg that can be prepared by additing a water to 1.48 g of Ca3P2.
Ca3P2(s)+6H2O(l)=3Ca(OH)2(s))+2PH3(g)


و

The question number 12 was:
A mixture of three gases has a total pressure of 1320.0 mmHg at a certain temperature.
The mixture is analyzed and is found to contain 55 g CO2, 84 g CO, and 62 g Ar.
What is the partial pressure of CO ?

the answer of of question 12 is wrong
Your answer was 10.92 x 10 2 mmHg
the right answer is 7.92 x 10 2 mmHg


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