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olga2289 [7]
3 years ago
7

In the "Design a Thermos" lab, the temperature of the thermos was compared with a container that was not insulated.

Chemistry
2 answers:
Hitman42 [59]3 years ago
8 0

Answer:

B

Explanation:

so you can see the difference

Flura [38]3 years ago
8 0

Answer:

It is B

Explanation:

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2 years ago
What is the number of moles of potassium chloride present in 148 g of kcl?
OLga [1]
The number of moles of one substance given the amount in mass can be calculated by the use of the molar mass. This is the mass of a compound per 1 mol of the said substance. For, KCl the molar mass is 74.55 g/ mol

148 g / 74.55 g/mol = 2 mol KCl

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