The atomic mass of Potassium is 39.1 (as read from the Periodic table).   Therefore, the molar mass of Potassium is:Group of answer choices31.0g6x1023g19g39.1g

What is the mass of 3.50 moles of potassium nitrate?

In order to complete the lab, a 500 mL solution of 0.25 M potassium oxide was required. What mass of potassium oxide was used? Question 2 options: 6.89 g 25.2 g 0.125 g 47.1 g 11.8 g

Potassium (K) has an atomic number of 19. It often forms an ion by losing 1 electron. How many electrons would the ion have?A.+1B.-1C.18D.20

The molar mass of argon is 39.95 g/mole. What is the mass of a single argon atom?Group of answer choices8.441 × 10 -23 g4.157 × 10 -21 g2.406 × 10 -25 g6.634 × 10 -23 g

What is the mass in kg of 4.02 x 102 mol K2Cr2O7?Question 4Select one:a.1.18 x 105 kgb.1.18 x 102 kgc.1.37 x 10-3 kgd.1.37 x 10-6 kge.1.18 kg