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tatiyna
2 years ago
10

How many grams of KBr are contained in 150. mL of a 0.154 M solution of potassium bromide?

Chemistry
1 answer:
Lostsunrise [7]2 years ago
6 0

Answer:

I think it is B

Explanation:

because the others don't look right

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A car is traveling 83.3 kilometers per hour. What is its speed in miles per minute? One kilometer = 0.62 miles.
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Hi. 2fouls! :)

First convert the number from kilometer to miles:
83.3*0.62
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Now to find the miles per minutes,divide the miles per hours by 60 (the amount of minutes in an hour.)

51.646/60
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The car is travelling at a speed of 0.860766667 miles/minute.

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A homogeneous mixture, the substances are uniformly distributed throughout the mixture
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How many calories are absorbed in a process that absorbs 0.128 joules?
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Which of the following is true for the theoretical yield of a reaction? (1 point)
just olya [345]

Answer:

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Explanation:

3 0
2 years ago
Epsom salt, a common hydrate, has the formula shown below. If I measure out 125 g of epsom salt to add to my foot soak, what mas
tatiyna

Answer:

The answer to your question is 64.02 g of H₂O

Explanation:

Data

Mass of magnesium sulfate hepta hydrated = 125 g

Mass of water = ?

Process

1.- Calculate the molar mass of the salt and the molar mass of water

molar mass of MgSO₄ 7H₂O = 24 + 32 + 64 + 14 + 112 = 246 g

mass of H₂O = 2 + 16 = 18 g

2.- Use proportions to calculate the mass of water in the epsom salt

                246 g MgSO₄ 7H₂O------------------------- 126 g of H₂O

                125 g                        -------------------------   x

                x = (125 x 126)/246

                x = 15750/246

               x = 64.02 g of H₂O

6 0
2 years ago
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