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ASHA 777 [7]
3 years ago
9

EZ POINTS PLEASE HELP

Chemistry
1 answer:
Mrrafil [7]3 years ago
7 0

Answer:

D

Explanation:

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3 0
4 years ago
How many moles of Oxygen is produced when you begin with 7.16 moles of KCl?
ohaa [14]
According to the balanced reaction equation:

2KClO3→ 2KCl + 3O2 

from this equation, we can see that the molar ratio between KCl & O2 is 2 : 3

so, 2 moles of KCl will need 3 moles of O2

∴  7.16 moles of KCl will need X moles of O2

∴number of moles of O produced = 7.16 * 3 / 2

                                                        = 10.74 moles 
8 0
4 years ago
What is the hydrogen ion concentration of a solution with pH = 8.75 ?
Tom [10]

Answer:

The answer is 1.778*10^-9

Explanation:

Using the formula

pH = -log[H^+]

Since the pH of the solution has been given to be 8.75,

Therefore,

8.75= -log [H^+]

Let's take H^+ to be x

8.75= -log x

Let's look for x, since the log is in base 10

X = 10^-8.75

X = 1.778 * 10^ -9

Therefore, H^+ =1.778 *10^-9

4 0
4 years ago
When a mineral was heated in a Bunsen flame to constant mass, a colourless gas that turned lime water milky was evolved. The rem
max2010maxim [7]
Vigorous effervescence can be seen only in C
6 0
3 years ago
A cubic meter is about the same as the volume occupied by a ____
agasfer [191]
A cubic meter is about the same as the volume occupied by a _____.

Answer: Washing machine
Hoped this helped... :)
;3;
7 0
3 years ago
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