Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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(A) A student tries to dissolve 50g of KNO3 in 50 g of water at 20oC. What mass of precipitate will form?
(B) 25 mL of a saturated solution of K2Cr2O7 was cooled from 90oC to 50oC, how many moles solid will precipitate from solution?
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- A mixture of 0.424 M H,O, 0.457 M CL,O, and 0.659 M HCIO are enclosed in a vessel at 25 °C. H, O(g) + Cl, O(g) 2 HOCI(g) Ke 0.0900 at 25°C %3D Calculate the cquilibrium concentrations of each gas at 25 °C. [H,O]= [Cl,0]= [HOCI]= Marrow_forward(7) For reaction: H₂(g) + CO₂ (g) - H₂O (g) + CO (g). K.=0.534. If four gases initially have equal concentrations [H.]= [CO₂ ] [H₂O]= [CO] = 0.5 M, the value of the reaction quotient Qe Marrow_forwardA mixture of 0.5110 M CO and 0.3590 M Cl, is enclosed in a vessel and heated to 1000 K. CO(g) + Cl, (g)= COCI,(g) K. = 255.0 at 1000 K Calculate the equilibrium concentration of each gas at 1000 K. [CO] = M %3D [CI,] = M [COCI,] = Marrow_forward
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