(a) Phosphine gas, PH can be prepared by adding phosphorus, P, to warm concentrated 8. aqueous sodium hydroxide as shown in the equation below. P(s) + 3NAOH(aq) + 3H,O(1) → PH,(g) + 3NaH,PO,(aq) O A chemist reacts 1.86g of P, with excess NaOH(ag). Calculate the volume of phosphine gas, in cm, produced at room temperature and pressure, RTP.

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Chapter18: Representative Metals, Metalloids, And Nonmetals
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4
A chemist reacts 1.86g of P with excess NaOH(ag).
Calculate the volume of phosphine gas, in cm, produced at room temperature and
pressure, RTP.
aqueous as in the below,
(a) gas, PH, can be by P, to warm concentrated
Pe(s) + + + 3NaH,PO,(aq)
volume of phosphine gas =
cm
Transcribed Image Text:8. 4 A chemist reacts 1.86g of P with excess NaOH(ag). Calculate the volume of phosphine gas, in cm, produced at room temperature and pressure, RTP. aqueous as in the below, (a) gas, PH, can be by P, to warm concentrated Pe(s) + + + 3NaH,PO,(aq) volume of phosphine gas = cm
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