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Anna11 [10]
3 years ago
11

What element has 31 protons and 37 neutrons?

Chemistry
1 answer:
Vlada [557]3 years ago
6 0
The answer is going to be  Rubidium. hope that helped
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When a person pushes off a wall with 15N of force,how much force does the wall push back
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What is the formula mass of MgO (how much does one mole of it weigh)
Nadusha1986 [10]

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40.3044 g/mol

Explanation:

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4 0
2 years ago
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A 2.0 mL sample of a liquid has a mass of 44.0 g. What is the density of the liquid?
riadik2000 [5.3K]

Answer:

The answer is

<h2>22 g/mL</h2>

Explanation:

The density of a substance can be found by using the formula

density =  \frac{mass}{volume}

From the question

mass of liquid = 44 g

volume = 2 mL

The density of the liquid is

density =  \frac{44}{2}

We have the final answer as

<h3>22 g/mL</h3>

Hope this helps you

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Answer:

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