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Angelina_Jolie [31]
4 years ago
11

How many significant figures does 16.00 contain

Chemistry
1 answer:
VMariaS [17]4 years ago
4 0

2 is the answer because 16 is a real number

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Hepta is seven and tetra is four, so option c is your answer
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A 5.00-cm cube of magnesium has a mass of 217.501 g. What is the density of magnesiummetal?
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Answer:

d = 43.5 g/cm³

Explanation:

Given data:

Mass of magnesium cube = 217.501 g

Volume of magnesium cube = 5.00 cm³

Density of magnesium cube = ?

Solution:

Formula:

d = m/v

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by putting values,

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What does a horizontal row of elements in the periodic table represents
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What is the solubility of methylacetylene (in units of grams per liter) in water at 25 °C, when the C3H4 gas over the solution h
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Answer:

The solubility of methylacetylene is 0,11 g L⁻¹

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Solving, C = 2,78x10⁻³ mol L⁻¹. In grams per liter:

2,78x10⁻³ mol L⁻¹ₓ \frac{40 g}{mol} = <em>0,11 g L⁻¹</em>

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I hope it helps!

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