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OleMash [197]
3 years ago
12

Plz answer very easy question

Chemistry
1 answer:
Vinvika [58]3 years ago
7 0
A: they all have protons
b:they have a different amount of neutrons
c:protons neutrons and electrons
d: the atom itself would change
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What would you observe in a solution of 30 g of KC1O3 in 100 g of water at 10 c?
Mrac [35]

Answer:

Option A is correct. About 5 g of the KClO3 is dissolved

Explanation:

KClO3 is not very good soluble in water.

So, Option C is impossible, because KClO3 is poorly soluble in water.

The low solubility of KClO3 in water causes KClO3 to isolate itself from the reaction mixture by precipitating out of solution.

So, option D will either happen.There will be a part of KClO3 dissolve.

At 10 °C, KClO3 has a solubility of 4.46 g/100 gram (10 °C).

Option A is correct. About 5 g of the KClO3 is dissolved

7 0
3 years ago
Find the volume of an object that has a density 0f 3.14g/mL and a mass of 87.3g
pav-90 [236]

Answer:

<h3>The answer is 27.80 mL</h3>

Explanation:

The volume of a substance when given the density and mass can be found by using the formula

volume =  \frac{mass}{density}  \\

From the question

mass = 87.3 g

density = 3.14 g/mL

We have

volume =  \frac{87.3}{3.14}  \\  = 27.8025477...

We have the final answer as

<h3>27.80 mL</h3>

Hope this helps you

3 0
3 years ago
Give example of an insoluble base by the action of a soluble base on a soluble salt
Crank
Its from and acid... of the salt and absolute base like oxide and hydroxide or metal
3 0
3 years ago
HELP PLEASEE ITS ALREADY PAST DUE I NEED THIS
FromTheMoon [43]

i think its b because yeah

5 0
3 years ago
Read 2 more answers
Calculate the number of formula units in 41.40 grams of Ca(CIO3)2
stich3 [128]

Answer: 1.21x10²³ formula units Ca( ClO3)2

Explanation: solution attached:

Convert mass of Ca(ClO3)2 to moles

Convert moles of Ca(ClO3)2 to formula units using Avogadro's number

5 0
3 years ago
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