SCIENCE
CHEMISTRY
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Formula mass of KBr
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119
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117g
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54
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62g
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Explanation:
Detailed explanation-1: -The density and formula mass of KBr crystal are 2.65g⋅cm−3 and 119g⋅mol−1 respectively.
Detailed explanation-2: -Answer and Explanation: The molar mass of KBr is 119.00 g/mole.
Detailed explanation-3: -There are 4 formula units of KBr.
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