CO is a primary pollutant
Please select the best answer from the choices provided (e2020)
True or False?

100mg magnesium reacts with 20ml of 1.0m hcl

Margaret wants to make an orange flavored drink by stirring powdered drink mix into a glass of water. she doesn't like drinks that have small clumps of powdered solid in them, so she wants the drink to be a perfect solution. what factors should margaret not consider when deciding how much powder to add to her glass of water?

Significant figures are digits read directly from the measuring instrument plus one more digit, which is __ by the observer.