How many moles of hydrogen gas are produced when 0.066 moles of sodium is completely reacted? (balance the equation first) ___Na + ___H2O ---> ___NaOH + ___H2
A. 0.066 moles

B. 0.099 moles

C. 0.033 moles

D. 0.022 moles

C

Explanation:

when the equation is balanced, 2 moles of sodium is to 1 mole of hydrogen in the mole ratio so we need to find how many moles of sodium will produce hydrogen then we cross multiply

here is table 2-2:

country

percent of eligible voters that voted

rank

united states

44.9%

138

canada

60.1%

107

costa rica

84.6%

14

hungary

66.9%

82

japan

57.0%

118

egypt

27.7%

159

south africa

85.5%

10

ans is no, the data set cannot be plotted as a single circle graph