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qaws [65]
3 years ago
9

In a solution if substance A makes up 1%, substance B makes up 9%, substance C makes up 20% and substance D makes up 70%, which

substance would generally function as the solvent?
A. Substance D
B. Substance B
C. Substance A
D. Substance C
Chemistry
1 answer:
Margarita [4]3 years ago
6 0
The solvent in a solution generally is the substance with the highest concentration.

So, in this case is should be the substance D which makes up 70%.

Answer: option A. substance D.
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Will a paper airplane with longer wings fly farther than shorter wings? IV DV Hypothesis
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Explanation:

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What type of nuclear reactions do all current reactors use
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Answer:

Nuclear fission

Explanation:

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Which of the following sets of empirícal formula, molar mass, and molecular formula is correct?
skad [1K]

<em>Answer:</em>

  • The option C is correct.
  • CH4N, 90g, C3H12N3.

<em>Explanation:</em>

                    <em>Option C:</em>

  • The molecular formula is C3H12N3.
  • If we take ratio 3:12:3 that will be equal to 1:4:1 so its empirical formula will be CH4N.
  • The molar mass of molecular formula = (12×3) + (1×12) +( 14×3) = 98 g

                <em>Option A :</em>

  • In option A , molecular and empirical formula are both correct but molar mass is not valid. It should be 169 acc. to molecular formula.

              <em>Option B:</em>

  • In option B, molecular formual is not valid.
  • It should be as C6H16O2
4 0
2 years ago
Which is true about metals used for jewelry, such as platinum and gold? A. They have low flammability. B. They have low reactivi
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8 0
2 years ago
Read 2 more answers
A 7.5 L cylinder contains 5 moles of gas at a temperature of 274°C. What is its pressure in kiloPascals (kPa)?
AleksAgata [21]
<h3><u>Answer;</u></h3>

 = 3032.15 kPa

<h3><u>Explanation;</u></h3>

Using the equation;

PV = nRT , where P is the pressure,. V is the volume, n is the number of moles and T is the temperature and R is the gas constant, 0.08206 L. atm. mol−1.

Volume = 7.5 L, T = 274 +273 = 547 K, N = 5 moles

Therefore;

Pressure = nRT/V

               = (5 × 0.08206 × 547)/7.5 L

               = 29.925 atm

But; 1 atm = 101325 pascals

Hence; Pressure = 3032150.63 pascals

                            <u>= 3032.15 kPa</u>

               

3 0
3 years ago
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