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natulia [17]
3 years ago
7

How are you finding the moles of the unknown substance when you are only given the grams of the unknown molecular compound?

Chemistry
1 answer:
Natali [406]3 years ago
4 0

Answer:

Determine the moles of unknown (the solute) from the molality of the solution and the mass of solvent (in kilograms) used to make the solution. Determine the molar mass from the mass of the unknown and the number of moles of unknown.

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Hey guys!
melamori03 [73]

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7 0
2 years ago
Really need help with this! Chemistry
Westkost [7]

Answer:

a) 0,5

Explanation:

If x=6 and y=2, then (2x-4y)/(x+y)=(2*6-4*2)/(6+2)=(12-8)/8=4/8= 0,5

5 0
2 years ago
A substance that prevents the flow of electric current is a(n) .
nasty-shy [4]
An Insulator.

Insulators prevent flow of electric current. Example is wood, clay.
4 0
3 years ago
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I dont understand and this question hard well for me
Murrr4er [49]
A
"The heat from the hot chocolate will travel to the spoon"
4 0
2 years ago
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In a chemical reaction, the difference between the potential energy of the products of the potential energy of the reactants is
Svetradugi [14.3K]
Your question looks a bit incomplete as you have the same contents in options a) and d). According to your list, I can't see the correct answer, but I can give you one.The difference between the potential energy of the products of the potential energy of the reactants is equal to the enthalpy of the reaction.
7 0
3 years ago
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