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D Question 24 How many of the following are oxidation-reduction reactions? I. reaction of a metal with a nonmetal II. synthesis

D Question 24 How many of the following are oxidation-reduction reactions? I. reaction of a metal with a nonmetal II. synthesis III. combustion IV. precipitation V. decomposition O 1 O 2 O 3 O4 O 5 D Question 25 1 One mole of something consists of units of that substance. O 12.01 O 1.008 O 1.66x10-24 w O 6.022x102 G O 32.00

D Question 24 How many of the following are oxidation-reduction reactions? I. reaction of a metal with a nonmetal II. synthesis III. combustion IV. precipitation V. decomposition O 1 O 2 O 3 O4 O 5 D Question 25 1 One mole of something consists of units of that substance. O 12.01 O 1.008 O 1.66x10-24 w O 6.022x102 G O 32.00

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12. Consider Ag; PO4 in the presence of AgNO3 (0.80M). (i) The solubility of Ag; PO4 will decrease (ii) The solubility of Ag; PO4 will increase (iii) The solubility of Ag3 PO4 will remain the same (iv) AgNO3 is insoluble Which is correct? (a) iv (b) iii (c

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12. Consider Ag; PO4 in the presence of AgNO3 (0.80M). (i) The solubility of Ag; PO4 will decrease (ii) The solubility of Ag; PO4 will increase (iii) The solubility of Ag3 PO4 will remain the same (iv) AgNO3 is insoluble Which is correct? (a) iv (b) iii (c) i (d) ii (e) i & iv 13. The solubility of the solution in (12) above is (a) 4.39 x 10-SM (b) 1.0 x 10^M (c) 1.0 x 10M (d) 1.95 x 10-16M (e) 1.56 x 10-16M