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sammy [17]
2 years ago
12

Using the rules below,select ALL compounds that are soluble

Chemistry
1 answer:
levacccp [35]2 years ago
5 0

Answer:

NaNO3 is the answer of given statement

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Among the following compounds which are isomers?
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An atom has the following electron configuration 1s2s2sp63s23p64s2 How many valance electrons does this atom have?
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Answer:

The electron configuration for this atom is Calcium, which has 2 valence electrons.

Explanation:

Following the periodic table and with the electron configuration, you will end up with calcium, which has 2 valence electrons. (Always follow the electron configuration from left to right! It begins at hydrogen, then to helium... and so on.)

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3 years ago
BRAINLIEST IF CORRECT
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For an aqueous solution of sodium chloride (NaCl) .Determine the molarity of 3.45L of a solution that contains 145g of sodium
worty [1.4K]
Molar mass NaCl = 58.44 g/mol

number of moles:

mass NaCl / molar mass

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Volume = 3.45 L

Therefore :

M = moles / volume in liters:

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3 years ago
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