1
1. BaCl2∙2H2O, 500 BaCl2 5%.
2. ρ=1,41/3 (38%), 2 NaOH 10%.
3. K2CO3, 100 0,1 .
4. 5 2 25 ρ=0,8/3. .
2
1. CuSO4∙5H2O, 250 0,005 .
2. ρ=1,59/3 (68%), 5 ρ=1,22/3 (30%).
3. , 1 ρ=1,08/3 10%.
4. , 1 24()2 2 .
3
1. BaCl2∙2H2O, 500 0,1 .
2. ρ=1,41/3 (38%) 4 NaOH 5%.
3. MgSO4, 0,5 MgSO4 10%.
4. 122211 50%.
4
1. , 500 0,05 .
2. 200 ρ=1,1/3 50%, 8%?
3. CuSO4∙5H2O , 1 CuSO4 8%?
4. 5 1,6 3. ?
5
1. Na2CO3∙10H2O, 250 0,01 .
2. ρ=1,84/3 (98%) 3 ρ=1,26/3 (35%)?
3. , 2 NaOH 10%.
4. , 1500 24()2 2000 ?
6
1. Na2CO3∙10H2O, 3 0,05 .
2. ρ=1,19/3 (38%) 2 0,25 ?
3. , 3 5%.
4. 35()3, -400?
7
1. 450 50 CuSO4∙5H2O. CuSO4 .
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2. 500 ρ=1,84/3 (98%), ρ=1,25/3 34%?
3. , 300 0,5 .
4. 25 40%?
8
1. (ρ) =1,178/3 l2 20%.
2. CuSO4∙5H2O , 5 CuSO4 5%?
3. 50%- ρ=1,538/3 3 ρ=1,048/3 6%?
4. 35()3, -200?
9
1. MgSO4∙7H2O , 500 MgSO4 12%.
2. ρ=1,54 /3 (50%) 5 ρ=1,1/3 Na 10%?
3. Na2SO4∙10H2O, 800 0,05 .
4. , , 120 10 6126?
10
1. CuSO4∙5H2O 200 0,01 ?
2. ρ=1,4/3 (66%), 1 20% ρ=1,14/3.
3. 250 50 BaCl2∙2H2O. BaCl2 .
4. 24()2 20 , -400?
11
1. , 250, 7. ?
2. ρ=1,5/3 (60%), 5 ρ=1025/3 (34%).
3. Na2CO3∙10H2O 5 Na2CO3 5%.
4. 25, , -300?
12
1. N 2/ 500 0,2 ?
2. ρ=1,39/3 (50%), 2 ρ=1,27/3 (36%).
3. Na2CO3∙10H2O 10 Na2CO3 (8%)?
4. 6126 10%.
13
1. BaCl2∙2H2O, 200 0,2 .
2. Na ρ=1,4/3 (38%) 2 Na 5%?
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3. , 1 MgSO4 20%.
4. 35()3 2 , -200?
14
1. CuSO4∙5H2O , 2 CuSO4 8%?
2. K23, 250 0,1 .
3. 200 ρ=1,1/3 20%, Na 5%?
4. 9 2 3 ρ=1,1/3. ?
15
1. Na2CO3∙10H2O, 500 0,5 .
2. ρ=1,84/3 (98%) 2 ρ=1,26/3 (35%).
3. 1 ρ=1,1/3 10%?
4. , 1000 24()2 2000 ?
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