Find the number of grams in7.2 molar solution of H2O, if the volume is 51mL. round your answer two decimal places

Iwill give extra points to who gets this right

1) which of the following is the best example of a physical change? a) sugar dissolving in tea b) firefly glowing 2) in the combustion of ethane, what is/are the reactants? c2h6 + o2 ==> co2 + h2o a) c2h6 and o2 b) co2 and c2h6

In the space, show a correct numerical setup for calculating the number of moles of co2 present in 11 grams of co2