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How many molecules are in a 671 g sample of CO2?

How do you solve #3r ^ { 2}  8r  16= 0#?

Question #fa71b

How do you simplify #(2x ^ { 4} y ^ { 3} v ^ { 2} ) ^ { 3}#?

Question #af92a

What is an en dash vs an em dash?

How do you solve and check your solutions to #5g=20#?

The label on a box of washing soda states that it contains #Na_2CO_3#. Name the elements in this compound. In what ratio are they present?

How do you graph using slope and intercept of # 5x + y =0#?

Question #143ea

If the ﬂour to sugar ratio is 5 cups ﬂour to 1 cup sugar, then how much sugar is needed if only 2 cups of ﬂour are used?

How do you find the slope and intercept of #3x+7y=4#?

How do you solve #33 – 2a > 7#?

What is the correct formula for the compound made by magnesium and nitrogen?