(a) Interpretation: ( 8.50 × 10 3 ) − ( 7.61 × 10 2 ) must be subtracted using the correct number of significant figures in the answer. Concept Introduction: For subtraction, the number with minimum number of significant figures is chosen and in the final answer same number of significant number is kept. The answer should not be more precise than the number with minimum number of significant figures.
(a) Interpretation: ( 8.50 × 10 3 ) − ( 7.61 × 10 2 ) must be subtracted using the correct number of significant figures in the answer. Concept Introduction: For subtraction, the number with minimum number of significant figures is chosen and in the final answer same number of significant number is kept. The answer should not be more precise than the number with minimum number of significant figures.
Solution Summary: The author explains that for subtraction, the number with minimum number of significant figures is chosen and in the final answer the same number is kept.
(8.50×103)−(7.61×102) must be subtracted using the correct number of significant figures in the answer.
Concept Introduction:
For subtraction, the number with minimum number of significant figures is chosen and in the final answer same number of significant number is kept. The answer should not be more precise than the number with minimum number of significant figures.
Interpretation Introduction
(b)
Interpretation:
(9.120×10−2)−(3.12×10−3) must be subtracted using the correct number of significant figures in the answer.
Concept Introduction:
For subtraction, the number with minimum number of significant figures is chosen and in the final answer same number of significant number is kept. The answer should not be more precise than the number with minimum number of significant figures.
Interpretation Introduction
(c)
Interpretation:
(1.3045×102)−(2.3×10−1) must be subtracted using the correct number of significant figures in the answer.
Concept Introduction:
For subtraction, the number with minimum number of significant figures is chosen and in the final answer same number of significant number is kept. The answer should not be more precise than the number with minimum number of significant figures.
For the titration of a divalent metal ion (M2+) with EDTA, the stoichiometry of the reaction is typically:
1:1 (one mole of EDTA per mole of metal ion)
2:1 (two moles of EDTA per mole of metal ion)
1:2 (one mole of EDTA per two moles of metal ion)
None of the above
Please help me solve this reaction.
Indicate the products obtained by mixing 2,2-dimethylpropanal with acetaldehyde and sodium ethoxide in ethanol.
Chapter 1 Solutions
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