How many grams of sodium chloride (NaCl) are needed to prepare 2.0 L of a 1.5 M solution? a) 1.3 g
b) 29.3 g
c)87.8 g
d)175. 5 g

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When a device is used in a circuit in which the voltage is 81 v the current flowing through the device is 3 a what is the resistance of the device

Use the measurements in the table to determine which unidentified metal has the highest density. metal volume mass a 10.5 cm3 122 g b 14.2 cm3 132 g c 16.1 cm3 115 g d 12.7 cm3 126 g