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qaws [65]
3 years ago
5

Can someone help me solve all of these problems? (Will give brainliest and a heart)

Chemistry
1 answer:
krek1111 [17]3 years ago
3 0

Answer:

1)E

2)B

3)D

4)G

5)A

6)C

7)F

Explanation:

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A pH scale reading 13 indicates a strong base.

Explanation:

From my understanding:

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9 - 14 is a strong base

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What is the molarity of a solution containing 55.8 g of mgcl2 dissolved in 1.00 l of solution?
MakcuM [25]
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Molar mass (Mr) of MgCl₂ is the sum of the molar masses of its elements.
So, from the periodic table:
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So, 1 mol has 95.2 g/l.

Our solution contains 55.8g in 1 l  of solution, which is 55.8 g/l

Now, we need to make a proportion:
1 mole has 95.2 g/l, how much moles will have 55.8 g/l:
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