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Dima020 [189]
3 years ago
15

If i add water to 100 mL of a 0.15M NaOH solution until the final volume 150mL , what will the molarity of the diluted solution

be ?
Chemistry
1 answer:
labwork [276]3 years ago
3 0
0,15 moles of NaOH-------in------------1000ml
x moles of NaOH------------in--------100ml
x = 0,015 moles of NaOH

final volume = 150ml

0,015 moles of NaOH---in-------150ml
x moles of NaOH--------------in-----1000ml
x = 0,1 moles of NaOH

answer:  0,1mol/dm³  (molarity)
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What is the mass of 18.0 mL of honey if its' density is 1.42 g/mL?
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8 0
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1. When you first opened the bottle of coke the pressure of gas in the coke (increased/decreased) and the dissolved gas( stays i
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Answer:

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2 years ago
A chemical reaction occurs when a solution is formed. True or false
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3 0
2 years ago
Read 2 more answers
PLEASE HELP ME! WILL GIVE BRAINLEST! I need this ASAP!
Fofino [41]
1. Al(C₂H₅)₂OCl₃

Al(C₂H₅)₂OCl₃ is made from 5 different elements. They are Al, C, H, O and Cl. Number of atoms in each element can be found as follows.

number of Al atoms = 1
number of C atoms = 2 x 2 = 4
number of H atoms = 5 x 2 = 10
number of O atoms = 1
number of Cl atoms = 3
<span>
Total number of atoms = 1 + 4 + 10 + 1 + 3 = 19

2. </span>BCl₃<span> 

BCl</span>₃ is a simple neutral molecule. It consists of 2 different elements as B and Cl. Total number of atoms is 4. Number of atoms can be calculated as follows.

number of B atoms = 1
number of Cl atoms = 3

Total number of atoms = 1 + 3 = 4<span>

3. </span>H₂O + H⁺

H₂O makes H₃O⁺ (hydronium ion) with H⁺ which is a positive ion. H₃O⁺ consists of two different elements as H and O. Number of atoms are as follows.

number of H atoms = 3
number of O atoms = 1

Total number of atoms = 3 + 1 = 4


7 0
3 years ago
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