How many Nal atoms are in 4.80 x 10-3 moles of Nal? O 7.97 x 10-27
0 2.89 x 10-3
O 2.89 x 1021
O 1.25 x 1026

Determine the length of the object shown. 97.8 mm 97.80 mm 97 mm 98 mm

The temperature of a lead fishing weight rises from 26 °c to 38 °c as it absorbs 11.3 j of heat. what is the mass of the fishing weight in grams?

When a chemist collects hydrogen gas over water, she ends up with a mixture of hydrogen and water vapor in her collecting bottle. if the pressure in the collecting bottle is 97.1 kilopascals and the vapor pressure of the water is 3.2 kilopascals, what is the partial pressure of the hydrogen?