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OLEGan [10]
2 years ago
8

1. What is the total mass if you add 6.00g + 30.0mg + 0.50kg.

Chemistry
1 answer:
kozerog [31]2 years ago
4 0

Answer:

0.50603kg when you add given masses

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The density of water at 40°c is 0.992 g/ml. what is the volume of 3.45 g of water at this temperature?
wariber [46]
3.45÷0.992=3.48ml
...
8 0
3 years ago
A solution has a poh of 7. 1 at 10∘c. what is the ph of the solution given that kw=2. 93×10−15 at this temperature? remember to
Gnom [1K]

A solution has a pOH of 7. 1 at 10∘c. Then the pH of the solution given that kw=2. 93×10−15 at this temperature is 7.4 .

It is given that,

pOH of solution = 7.1

Kw =2.93×10^(-15)

Firstly, we will calculate the value of pKw

The expression which we used to calculate the pKw is,

pKw=-log [Kw]

Now by putting the value of Kw in this expression,

pKw =−log{2.93×10^(-15)}

pKw =15log(2.93)

pKw=14.5

Now we have to calculate the pH of the solution.

As we know that,

pH+pOH=pKw

Now put all the given values in this formula,

pH+7.1=14.5

pH=7.4

Therefore, we find the value of pH of the solution is, 7.4.

learn more about pH value:

brainly.com/question/12942138

#SPJ4

7 0
1 year ago
Jose mixed two clear liquids together in a beaker in equal amounts. Jose measured the mass. The mass of the two combined solutio
Dmitrij [34]
Who cares. Joe can solve his own problem instead of making people do it. (This was not toward you. This was supposed to be funny)
5 0
3 years ago
Formula D = m / V m = 22 g D = 4 g/mL What is the Volume of the object in mL? Do not include the units in your answer.
Lemur [1.5K]

Answer:

The answer is

<h2>5.50</h2>

Explanation:

The volume of a substance when given the density and mass can be found by using the formula

volume =  \frac{mass}{density}  \\

From the question

mass = 22 g

density = 4 g/mL

The volume is

volume =  \frac{22}{4}  =  \frac{11}{2}  \\

We have the final answer as

<h3>5.50 mL</h3>

Hope this helps you

6 0
3 years ago
Why is acid important for digestion
Troyanec [42]

Answer:

activating digestive enzymes, and making ingested proteins unravel so that digestive enzymes break down the long chains of amino acids

5 0
3 years ago
Read 2 more answers
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