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olga_2 [115]
3 years ago
9

Use the periodic table to compare the sizes of ionic radii with the corresponding atomic radii or other ionic radii. Choose from

smaller and larger in the blanks below: A sodium cation is than a sodium atom. A phosphorus anion is than a phosphorus atom. A magnesium ion is than a sodium ion. A chlorine ion is than a phosphorus ion. A potassium ion is than a sodium ion.
Chemistry
2 answers:
Masja [62]3 years ago
6 0

Answer:

1 smaller

2 larger

3 smaller

4 smaller

5 larger

Explantion:

got it right on edge 2020

In-s [12.5K]3 years ago
5 0

Answer:smaller larger smaller smaller larger

Explanation:

Just took the test on edge

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Answer: 11.5 grams

Explanation:

Molarity of a solution is defined as the number of moles of solute dissolved per Liter of the solution

Molarity=\frac{n\times 1000}{V_s}

where,

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n= moles of solute  

V_s = volume of solution in ml = 100 ml

Now put all the given values in the formula of molarity, we get

0.612=\frac{n\times 1000}{100ml}

n=0.0612moles

Mass={\text {moles of solute }}{\times {\text {molar mass}}=0.0612moles\times 187.56g/mol=11.5g

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3 years ago
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SOVA2 [1]
Either C or D. Those r the answers that make more sense.
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A car travels at a speed of 80 km/h. Which of the following is correct to convert the speed of the car to hm/s? [1 km = 10 hm, 1
amm1812

<u>Answer:</u> The correct answer is Option D.

<u>Explanation:</u>

We are given that car travels with a speed of 80 km/hr and we need to convert it into hm/s.

For that we use the conversions:

1 kilometer = 10 hectometer

And, 1 hour = 3600 seconds

To convert the quantity into hm/s, we multiply the numerator which is 80 by 10 to convert the whole quantity into hm/hr and now, to convert the result into hm/s finally, we divide the result by 3600.

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4 0
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Answer: 163,060,000

Explanation:

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