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lana66690 [7]
2 years ago
12

The polyatomic nitrate ion (NO3−) is present in both the products and the reactants of the chemical equation shown below.

Chemistry
1 answer:
poizon [28]2 years ago
7 0

i dont know because im on somthing diffrenet lokk up quizzlet

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If the density of an object is 5.2g/cm3, and it’s volume is 3.7 cm3, what is it’s mass?
lord [1]
Here's the equation you use: Density = mass/volume 

1) 5.2g/cm^3 = m/3.7cm^3 

2) m = 5.2g/cm^3 x 3.7cm^3 

3) m = 19.24g 

You can check the answer by plugging it in 

19.24g/3.7cm^3 
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Answer:

Here's what I find.

Explanation:

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How many moles of sodium will react with water to form sodium hydroxide and 4.0 moles of hydrogen?
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It is 4/10 of moles is this ane halp?
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