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Solnce55 [7]
2 years ago
7

If water is added to 175 ml of a 0.45 m koh solution until the volume is 250 ml, what will the molarity of the diluted solution

be?
SAT
1 answer:
Savatey [412]2 years ago
5 0
0.35m, you can see the proof in the picture attached to the answer.

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S.D(X) = 6 and S.D(Y) = 8. If X and Yare independent random variables, then S.D(X-Y) is:
Mademuasel [1]

Answer:

14

Explanation:

For independent variables X and Y;

S.D(X - Y) is expanded as :

S.D(X) + S.D(Y)

If S.D(X) = 6 and S.D(Y) = 8 ; where, X and Y are independent ;

SD(X-Y) = SD(X) + SD(Y)

SD(X - Y) = 6 + 8

SD(X - Y) = 14

3 0
2 years ago
Choose all the answers that apply. The rough endoplasmic reticulum _____.
Mazyrski [523]
Hey hun.
I think the 2 answers for this are:
Contains ribosomes
Responsible for protein synthesis

~Hope this helped!
4 0
3 years ago
Identify the oxidation numbers for all the elements in the reactants and products for 2mno4−(aq)+3s2−(aq)+4h2o(l)→3s(s)+2mno2(s)
Sidana [21]

The oxidation number if eah of the elements is as follows;

  • Oxidation number of Mn is + 7 on the right hand side and +4 on the right hand side
  • Oxidation number if hydrogen is +1 on both sides
  • The oxidation number of oxygen is -2 on both sides
  • The oxidation number of sulfur is -2 on the lefthand side and zero on the right hand side.

<h3>What is a redox reaction?</h3>

A redox reaction is one in which there is a change in the oxidation number of the reactants from left to right.

Let us now consider the oxidation  number of each element from left to right;

  • Oxidation number of Mn is + 7 on the right hand side and +4 on the right hand side
  • Oxidation number if hydrogen is +1 on both sides
  • The oxidation number of oxygen is -2 on both sides
  • The oxidation number of sulfur is -2 on the lefthand side and zero on the right hand side.

Learn more about oxidation number: brainly.com/question/15167411?

3 0
2 years ago
Suppose that the required reserve ratio is 20%. If Saanvi deposits $4,000 in cash in her checking account, and her bank lends $1
Oksi-84 [34.3K]

The fact that Saanvl deposits the $4,000, means that initially, the money supply remains the same.

<h3>What happened to the money supply after Saanvl's deposit?</h3>

After Saanvl deposited, the money was simply converted from cash to cash deposits at the bank.

Both of these things are considered to be a part of money supply so there is no change in money supply initially.

Find out more on money supply at brainly.com/question/3625390

#SPJ1

8 0
2 years ago
select the qualification best demonstrated in each example.ronin performs careful inspections to identify fire hazards.clay prov
Lady_Fox [76]

The qualification best demonstrated in each example are:

  • Reliability
  • Teaching and Leadership Skills.
  • Physical strength

<h3>What is the qualification status?</h3>

The term Qualification status is known to be that which shows or tells the formal certification that a person has.

Note that in the case of Ronin performing a careful inspections to identify fire hazards, his qualification will be Reliability.

Learn more about qualification from

brainly.com/question/26119802

#SPJ1

3 0
2 years ago
Read 2 more answers
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