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Alika [10]
1 year ago
14

Report accidents to your teacher,no matter how they may seem

Chemistry
1 answer:
allochka39001 [22]1 year ago
6 0

Answer:

I mean If you're asking a question, then yes.

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What is the concentration of 60 mL of H3PO4 if it is neutralized by 225 mL of 2 M Ba(OH)2?
goldfiish [28.3K]

7.5 M is the concentration of 60 ml of H3PO4 if it is neutralized by 225 ml of 2 M Ba(OH)2.

Explanation:

Data given:

volume of phosphoric acid, Vacid =60 ml

volume of barium hydroxide, Vbase = 225 ml

molarity of barium hydroxide, Mbase = 2M

Molarity of phosphoric acid, Macid =?

the formula for titration is used as:

Macid x Vacid = Mbase x Vbase

rearranging the equation to get Macid

Macid = \frac{Mbase x Vbase}{Vacid}

Macid =\frac{225 X 2}{60}

Macid = 7.5 M

the concentration of the phosphoric acid is 7.5 M and the volume is 60 ml. Thus 7.5 M solution of phosphoric acid is used to neutralize the barium hydroxide solution of 2M.

8 0
3 years ago
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5. How many moles are in 10g of sodium?
vagabundo [1.1K]

Answer:

0.43

Explanation:

divide the given mass by molar mass from the periodic table

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Answer:b

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How are distillation and reverse osmosis alike?
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I'm having trouble with this one. At the very least, they both purify water. If I'm not mistaken, distillation is part of the process of purifying water.
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