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kipiarov [429]
2 years ago
5

What is 1+1=?and what is 2+2=?

Chemistry
2 answers:
timofeeve [1]2 years ago
4 0

two plus two equals four and one plus one eqauls two

Anon25 [30]2 years ago
3 0

Answer:

1+1=2 and 2+2=4

Explanation:

PLEASE MARK ME AS BRAINLIEST I REALLY WANT TO LEVEL UP

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Place the following in order of increasing acid strength. HBrO2 HBrO3 HBrO HBrO4 A) HBrO2
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HBrO4 < HBrO3 < HBrO2 < HBrO

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Balance NO + 02 -- NO2 ​
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III. For the following four sections: If you are given the formula, name the
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15.Potassium oxide

16.Calcium chloride

17.Aluminium sulphide

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Explanation:

15.K is the chemical symbol of Potassium and generally the name of the non-metal at the end of a formula has the suffix '-ide' and since O is oxygen, the name becomes Potassium oxide.

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5 0
3 years ago
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cricket20 [7]
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7 0
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0.25 mol of nitric acid is used to make a 0.10 M nitric acid solution. How many grams of solute was used?
Yanka [14]

Answer:

15.75 grams of HNO3 was used and dissolved in 2.5 liters of solvent, to make a 0.10 M solution

Explanation:

Step 1: Data given

Nitric acid = HNO3

Molar mass of H = 1.01 g/mol

Molar mass of N = 14.0 g/mol

Molar mass O = 16.0 g/mol

Number of moles nitric acid (HNO3) = 0.25 moles

Molairty = 0.10 M

Step 2: Calculate molar mass of nitric acid

Molar mass HNO3 = Molar mass H + molar mass N + molar mass (3*O)

Molar mass HNO3 = 1.01 + 14.0 + 3*16.0

Molar mass HNO3 = 63.01 g/mol

Step 3: Calculate mass of solute use

Mass HNO3 = moles HNO3 * molar mass HNO3

Mass HNO3 = 0.25 moles * 63.01 g/mol

Mass HNO3 = 15.75 grams

15.75 grams of HNO3 was used and dissolved in 2.5 liters of solvent, to make a 0.10 M solution

7 0
3 years ago
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