2 years ago

Help me with these questions.

Chemistry

1 answer:

Aloiza [94]2 years ago

5 0

1) C
2) B
3) A/B not sure
4) C I think

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A student reacted NiS2 (MM = 122.83 g/mol) with O2 (MM=32.00 g/mol) to make SO2 (MM=64.07 g/mol) according to this balanced equa

Ilya [14]

Answer:

Percentage yield = 0.49 × 10² %

Explanation:

Given data:

Actual yield of SO₂ = 4.309 ×10² g

Theoretical yield of SO₂ = 8.78 ×10² g

Percentage yield = ?

Solution:

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Percentage yield = 4.309 ×10² g / 8.78 ×10² g × 100

Percentage yield = 0.491 × 100

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Percentage yield = 0.49 × 10² %

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How many moles are in 8 grams of NaCl?

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