GENERAL KNOWLEDGE

GK

CHEMISTRY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
what is the mass of .75 mol of sulfur, which has a molar mass of 32 g/mol.
A
16
B
24
C
32
D
240
Explanation: 

Detailed explanation-1: -Explanation: So, if there are 0.75⋅mol, the mass is 0.75⋅mol ×64.07⋅g⋅mol−1 ≅48⋅g .

Detailed explanation-2: -So that this mole and mole cancel out and on multiplication 0.75 to 64 we get the value 48 g. So this is the value of mass of sulfur dioxide. So hence our final answer mass of sulfur dioxide that is equal to 48 g.

Detailed explanation-3: -Answer and Explanation: There are 0.998mol of sulfur in 32g of sulfur.

Detailed explanation-4: -Oxygen has a molar mass of 32.0 g/mol.

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