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Nookie1986 [14]
3 years ago
11

17. A substance breaks down into its component elements when it is heated. If 68.0 g of

Chemistry
1 answer:
julsineya [31]3 years ago
3 0

Answer:

no lo sé lociento

Explanation:

no ingles

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What is the mass of one mole of product? (Remember the law of conservation of mass)
denis23 [38]

Answer:

To calculate the no. of moles you must know mass and molar mass of the product

Explanation:

# of moles = mass/molar mass

4 0
2 years ago
5. What happens to the mass when you change<br> the volume?<br> It decreases
anastassius [24]

Explanation:If the mass of the object stays the same but the volume of the object decreases then its density becomes greater. If the volume of the object stays the same but the mass of the object increases then its density becomes greater.

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3 years ago
What is the concentration of 10.00mL of HBr if it takes 16.73 mL of a 0.253M LiOH solution to neutralize it?
Fudgin [204]
The chemical reaction would be expressed as follows:

HBr + LiOH = LiBr + H2O

We are given the volumes and corresponding concentration to be used for the reaction. We use these values to solve for the concentration of the other reactant. We do as follows:

0.253 mol LiOH / L solution ( 0.01673 L ) ( 1 mol HBr / 1 mol LiOH ) = 0.00423 HBr needed

Concentration of HBr =0.00423mol / .010 L = 0.423 M HBr 
3 0
3 years ago
In ocean water, salt is a(n) _____.<br><br> a. solution<br> b. alloy<br> c. solvent<br> d. solute
stepan [7]
The answer is a. solution :)
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Water in ethanol solution which one of them is solvent?​
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The mixture of ethanol and water is a liquid-liquid solution. The solvent is Water.

Explanation:

6 0
2 years ago
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