1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Sever21 [200]
2 years ago
12

Rubbing alcohol is 70.% (v/v) isopropyl alcohol by volume. How many mL of isopropyl alcohol are in a 1 pint (473 mL) container?

Rubbing alcohol is 70.% (v/v) isopropyl alcohol by volume. How many mL of isopropyl alcohol are in a 1 pint (473 mL) container? 330 mL 470 mL 70. mL 680 mL 0.15 mL
Chemistry
1 answer:
katovenus [111]2 years ago
3 0

Answer:

helped

The number  of ml of isopropyl  alcohol  that are 1 pint (473 Ml)   is  331.1 Ml

  calculation

assume  that  the 1 pint  is in  a  container

  This implies  that the 1 pint (473 ml)  is  in 100 %  M/V

     what about 70 %(M/V)

that is  473 Ml  = 100 %

                  ?   =   70 %

by  cross  multiplication

   =  473 x70/100 = 331.1 Ml

Explanation:

You might be interested in
Which of the following would have the highest buffer capacity?
Mrrafil [7]

Answer:

1.25 M HCO₃⁻ / 1.25 M CO₃²⁻

Explanation:

Buffer capacity refers to the amount of a strong acid or base required per liter of the buffer to change its pH by one. This amount is directly related to the concentration of the conjugate acid-base pair in the buffer since the buffer pair neutralizes the strong acid or base.

Thus, the highest buffer capacity is found in the solution that has the highest concentration of the conjugate acid-base pair, which is 1.25 M HCO₃⁻ / 1.25 M CO₃²⁻ .

7 0
3 years ago
The trend in electronegativity is F >Cl >Br; therefore, the most ionic compound (CH2F2) has the lowest boiling point, and
bulgar [2K]

Answer:

False

Explanation:

Increase in polarity of a molecule leads to higher boiling points. The more polar a molecule is, the higher the energy required to breaks intermolecular forces of attraction hence the higher the boiling point. This is the reason why ionic compounds and compounds having polar covalent bonds in them tend to have high boiling points.

5 0
3 years ago
You shake a can of soda and open it, which cause the pressure to decrease. what happens to the volume of the CO2. the soda​
navik [9.2K]

Answer: <em>When you take the top off of a bottle of soda, the pressure inside the bottle decreases and goes to the same pressure as the atmosphere. When that happens the carbon dioxide inside is no longer forced to be a liquid and turns back into a gas, causing the bubbles that we're so familiar with.</em>

Explanation:

However, producing foaming carbon dioxide gas by shaking a bottle of soda water is a physical change, while producing foaming carbon dioxide gas by combining baking soda and vinegar is a chemical change. ... Because no chemical bonds are broken and no new molecules are formed, this is a physical change in the system.

4 0
3 years ago
Please help<br>What is the possible ions of vanadium?
svetlana [45]

V+5, V+4, V+3, and V+2

7 0
3 years ago
A 3.31-g sample of lead nitrate, Pb(NO3)2, molar mass = 331 g/mol, is heated in an evacuated cylinder with a volume of 2.53 L. T
Dahasolnce [82]

Answer:

0.486atm is the pressure of the cylinder

Explanation:

1 mole of Pb(NO₃)₂ descomposes in 4 moles of NO2 and 1 mole of O2. That is 1 mole descomposes in 5 moles of gas.

To find the pressure of the cylinder, we need to find moles of gas produced, and using general gas law we can determine the pressure of the gas:

<em>Moles Pb(NO₃)₂ and moles of gas:</em>

3.31g * (1mol / 331g) = 0.01 moles of Pb(NO₃)₂.

That means moles of gas produced is 0.05 moles.

<em>Pressure of the gas:</em>

Using PV = nRT

P = nRT/V

<em>Where P is pressure (Incognite)</em>

<em>V is volume (2.53L)</em>

<em>R is gas constant (0.082atmL/molK)</em>

<em>T is absolute temperature (300K)</em>

And n are moles of gas (0.05 moles)

P = 0.05mol*0.082atmL/molK*300K / 2.53L

P = 0.486atm is the pressure of the cylinder

3 0
3 years ago
Other questions:
  • In the first step of the reaction, which compound is the limiting reagent: sodium hydroxide or the nucleophile
    5·1 answer
  • I’m confused on question 13
    14·1 answer
  • How many moles of copper must react to form 0.845
    6·1 answer
  • Which is most likely a covalent compound?<br><br> LiF<br> MgS<br> NH3<br> CaCl2
    12·2 answers
  • What's the name of a wave moving along a line?
    6·2 answers
  • 3.) <br><br> Please answer this question!
    14·1 answer
  • 1. Complete the following sentences:
    10·1 answer
  • How many moles are present in 450 grams of sodium phosphide, Na3PNa3P?
    8·1 answer
  • Transcribe and translate the following DNA sequence:
    10·1 answer
  • An intermediate step in the production of nitric acid involves the reaction of ammonia with oxygen gas to form nitrogen monoxide
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!