Ask question

Ask question

All categories

3 years ago

11

A chemist dissolves 239 mg of pure potassium hydroxide in enough water to make up of solution. Calculate the pH of the solution.

(The temperature of the solution is .) Round your answer to significant decimal places.

1 answer:

PSYCHO15rus [73]3 years ago

7 0

Answer: the pH is 11.78

Explanation:Please see attachment for explanation

You might be interested in

Which statement gives a reason why scientist think that the universe began with an explosion

yaroslaw [1]

I believe the answer is

At the moment it is the best way of explaining our scientific knowledge.

8 0

4 years ago

You are working in a lab when radiation alarms go off. You are able to hide inside a steel cabinet, whose sides are about 1.5 in

dusya [7]

Answer:

Its either B or C (in my opinion)

6 0

3 years ago

How many moles of Ba(NO3)2 are there in 0.25 L of a 2.00 M Ba(NO3)2 solution?<br> Use mc007-1.jpg.

aleksandrvk [35]

Number of moles ( n ) = ?

Volume ( V ) = 0.25 L

Molarity of solution ( M ) = 2.00 M

n = M x V

n = 2.00 x 0.25

n = 0.5 moles of Ba(NO₃)₂

hope this helps!

7 0

3 years ago

Read 2 more answers

How many moles are in 30 mL water sample

astra-53 [7]

Answer:

moles of water in 1 ml = 1/18 mol.

take 1 ml and calculate it by 30

1 ml x 30= 30 ml

Explanation:

6 0

3 years ago

Explain why the formation of sand is a physical change

iragen [17]

Answer:

Sand is still sand but if you were to change the feel of sand it would not be sand

Explanation:

5 0

3 years ago

Read 2 more answers