If there is a 50kg block on earth, then what is the blocks weight?

1. baking powder is a 1: 1 molar mixture of cream of tartar (khc4h4o6) and baking soda (nahco3). a recipe calls for two teaspoons (a total of 8.0 grams) of cream of tartar. how much baking soda must be added for both materials to react completely?

Asubstance is a good conductor of electricity which of the following best explains a probable position of the substance in a periodic table

How many moles are in 43.9 l of oxygen