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galina1969 [7]
3 years ago
5

Which of the following was NOT one of the components of Dalton's Atomic Theory? (1 point) All elements are composed of tiny indi

visible particles called atoms. The atoms of any one element are identical to those of any other element. Atoms of different elements can physically mix together or can chemically combine in simple whole-number ratios to form compounds. Atoms of one element, however, are never changed into atoms of another element as a result of a chemical reaction.
Chemistry
1 answer:
bezimeni [28]3 years ago
5 0

Answer: Atoms of one element, however, are never changed into atoms of another element as a result of a chemical reaction.

Explanation:

Dalton's Atomic Theory was proposed in the 20th century by an English Scientist named John Dalton. His theory is postulated as follows:

1) All elements are composed of tiny indivisible particles called atoms.

2) The atoms of any one element are identical to those of any other element. 3) Atoms of different elements can physically mix together or can chemically combine in simple whole-number ratios to form compounds.

However, the final option is NOT one of Dalton's Theory

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What volume of a 0.3300M solution of sodium hydroxide would br ruired to titrate 15.00 mL of 0.1500 M oalic Acid?
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3.41 mL

Explanation:

At equivalence point  from the reaction given,

Moles of Oxalic\ Acid = 2 × Moles of NaOH

Considering

Molarity_{Oxalic\ Acid}\times Volume_{Oxalic\ Acid}=2\times Molarity_{NaOH}\times Volume_{NaOH}

Given  that:

Molarity_{NaOH}=0.3300\ M

Volume_{NaOH}=?

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Molarity_{Oxalic\ Acid}\times Volume_{Oxalic\ Acid}=2\times Molarity_{NaOH}\times Volume_{NaOH}

2\times 0.3300\times Volume_{NaOH}=0.1500\times 15.00

Volume_{NaOH}=3.41\ mL

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2 years ago
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