In the Reaction: 4 Zn + K₂Cr₂O₇ + 7 H₂SO₄→

question 17

Multiple Choice

In the reaction: 4 Zn + K₂Cr₂O₇ + 7 H₂SO₄→ 4 ZnSO₄ + 2 CrSO₄ +K₂SO₄ + 7 H₂O, if 25.4 g of zinc sulfate is to be made, how many grams of potassium dichromate is required?

• A) 13.9 g
• B) 3.48 g
• C) 46.3 g
• D) 6.35 g
• E) 11.6 g

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Definitions:

Statistical Significance

A measure that indicates whether the results obtained from a sample are unlikely to occur due to chance alone, typically determined by a p-value.

Propinquity

The state of being close to someone or something in terms of distance or relationship, fostering bonds or interactions.

Reciprocity

The practice of exchanging things with others for mutual benefit, especially privileges granted by one country or organization to another.

Synergy

The combined effect of a group that exceeds the sum of the effects of the individual parts.