SCIENCE
CHEMISTRY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Calculate the formula mass of
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74.5
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4.5
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90
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None of the above
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Explanation:
Detailed explanation-1: -(1atom×39. 0983 Potassium)+(1atom×35. 453 Chlorine) = (74.5513 g/mol) which is the molar mass for KCl.
Detailed explanation-2: -The atomic mass of KCl is 74.6 u, and its molar mass is 74.6 g/mol .
Detailed explanation-3: -Potassium chloride (KCl, or potassium salt) is a metal halide salt composed of potassium and chlorine.
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