whats the answer This is a Numeric Entry question / It is worth 1 pointuhave unl

Question

whats the answer

This is a Numeric Entry question / It is worth 1 pointuhave unlinited sttermpts/There is no attermept penailty Sh10.3 Millian Given o.. enns.co.ke 10 Question (a point) See page 300 pratested aftar his count beference Lat Books wtergish purtus.ads Electrical energy can be used to separate water into Oz)and Hz 1st attempt I Kenya spo News Leader Dpara News hi See Periodic Table See Hint y Goods, Fuel Your Car ng Safaricom's 8on ans.coke a holdsy spirits n aki And as a ways, m... aps-Movies, Music & ws- Andrald Apps o. In one demonstration of this reaction, 22.00 mL of H are collected over water at 25 C. Atmospheric pressure is 768.0 mmHig How many grams ofH are collected? g Hydrogen e on TV instantly 10/15 4

Explanation / Answer

From odeal gas equation,

PV= n RT
768 mm Hg * 22 mL = n x 0.08205 L.atm/mol.K x 298 K
n = 9.09 x 10-4 moles
mass of H2 collected = 9.09 x 10-4 mol * 18 g/mol = 163.62 x 10-4 g = 0.0163 g

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