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Scorpion4ik [409]
2 years ago
7

What are some ways to eliminate waste

Chemistry
1 answer:
Margaret [11]2 years ago
4 0

Answer:

use following methods

Explanation:

  • Recycling the waste
  • segregation and dumping in right place
  • practice 4 R's
  • practice waste Management
  • reduce using undegredable waste like plastic bags

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Isopropyl alcohol is mixed with water to produce a 35.0 % (v/v) alcohol solution. How many milliliters of each component are pre
PilotLPTM [1.2K]

229.25 mL of isopropyl alcohol

425.75 mL of water

Explanation:

Knowing that the solution have a 35.0 % (v/v) isopropyl alcohol in water, we can calculate the volume of each component as following.

volume of  isopropyl alcohol = (35/100) × solution volume

volume of  isopropyl alcohol = 0.35 × 655 mL = 229.25 mL

Now, knowing the volume of isopropyl alcohol we can determine the volume of water.

volume of the solution = volume of isopropyl alcohol + volume of water

volume of water = volume of the solution - volume of isopropyl alcohol

volume of water = 655 mL - 229.25 mL = 425.75 mL

Learn more about:

percent by volume concentration

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3 years ago
Which of the following pairs of elements would most likely combine to form a salt?
Delvig [45]
B.sodium and aluminum
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3 years ago
What is the definition of bond?
JulijaS [17]
Join or be joined securely to something else, typically by means of an adhesive substance, heat, or pressure.
3 0
2 years ago
Any help with these questions would help i'm lost
SSSSS [86.1K]

Answer:

1.  31.25 mL

2.  1.98 g/L

3.  0.45 g/mL

Explanation:

For each of the problems, you need to perform unit conversions.  You need to use the information given to you to convert to a specific unit.

1.  You need volume (mL).  You have density (g/mL) and mass (g).  Divide mass by density.  You will cancel out mL and be left with g.

(50.0 g)/(1.60 g/mL) = 31.25 mL

2.  You are given grams and liters.  You need to find density with units g/L.  This means that you have to divide grams by liters.

(0.891 g)/(0.450 L) = 1.98 g/L

3.  You have to find density again but this time with units g/mL.  Divide the given mass by the volume.

(10.0 g)/(22.0 mL) = 0.45 g/mL

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3 years ago
(only reply if you know the answer or get reported) Please solve this ty​
kolezko [41]

Answer:

7) 50 8)4

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I answered the question what do you want to gave me

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