kanga06
03.11.2020 •
Mathematics
Twenty cards are drawn from a pack of cards at random.
The sequence
is the closest to the probability of drawing a queen or a king from the pack.
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Ответ:
getting points sorry
Step-by-step explanation:
Ответ:
m = 3.3 mol·58.326 mol = 192 g
Step-by-step explanation: molar mass of substance is
M= (24.31+ 2·1.008 + 2·16) g/mol = 58.326 g/ mol.
Amount of substance n = m/M and mass m = n·M