Questions by VMPVerona261

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1 answer 83 views

What is the concentration of iron(II) sulfate in a sample of water taken from a lake, using spectrophotometry with a known molar absorptivity of 11,300 L/mol*cm, if the absorbance of the sample is measured to be 0.423 at a wavelength of 510 nm?

asked Jan 30 in Analytical Chemistry

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1 answer 51 views

What forms when cells start to grow out of control?

asked Jan 6 in Science

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1 answer 39 views

Mixtures of materials called alloys contain at least one of what type of material?

asked Dec 31, 2024 in Science

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1 answer 24 views

In what do substances combine chemically to form a new substance?

asked Dec 28, 2024 in Science

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