GK
CHEMISTRY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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you have 6.5 mole of chromium, which has a molar mass of 52 g/mol. what is the mass in grams?
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3.38
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33.8
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338
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3.38
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Explanation:
Detailed explanation-1: -You have 6.50 mol of chromium, which has a molar mass of approximately 52g/mol.
Detailed explanation-2: -The mass number A = 52. Chromium 53: The atomic number Z = 24, so there are 24 protons and 24 electrons. Number of neutrons = A – Z = 53 – 24 = 29.
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