madisonpfaffe1 madisonpfaffe1

09-06-2017
Chemistry

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what is the mass of 3.91 x 10^24 molecules of SeO2? The molar mass of SeO2 is 110.96 g/mol

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danieloluwole236 danieloluwole236

16-03-2022

Explanation:

110.96gmol⁻¹ ≡≡≡≡≡≡6.02×10²³ molecules

x gmol⁻¹ ≡≡≡≡≡≡≡≡≡≡≡≡ 3.91×10²⁴molecule

x = [110.96 × 3.91×10²⁴]/(6.02×10²³)

x = 720.7gmol⁻¹

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