why does the molarity changes with temperature?
Asked by ZIA HAIDER | 31st Jul, 2014, 07:58: PM
Molarity is moles of solute per unit volume of solution and volume changes with change in temperature. As the temperature increases volume increases and molarity decreases. In other words molarity is inversely proportional to the temperature.
Answered by Arvind Diwale | 1st Aug, 2014, 10:52: AM
- When lead sulphide, PbS and lead oxide, PbO, are heated together the products are lead metal and sulphur dioxide, SO2. PbS(s) + 2PbO(s) 3Pb (l) + SO2 (g). If 14.0 g of lead oxide reacts according to the above equation, how many (a) moles of lead (b) grams of lead, (c) atoms of lead and (d) grams of sulphur dioxide are formed? (Atomic mass : Pb = 207.0, S = 32.1 ; O =16.0)
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