3/24/2017 10:55 PM 5/10 Print Calculator Periodic Table Gradebook Question 4 of

Question

3/24/2017 10:55 PM 5/10 Print Calculator Periodic Table Gradebook Question 4 of 20 Sapling Learning For the given elements, convert the given mole amounts to grams. How many grams are in 0.0864 moles of lithium? How many grams are in o.550 moles of nickel? How many grams are in 0.690 moles of argon? ne Previous 8 Give Up & Viow Solution Check Answer Next Exit o about us careers partners privacy policy terms of use contact us help O Assignment Information Available From 3/15/2017 11:00 AM 3/24/2017 1055 PM Points Possible: Grade Category: Graded Description: Policies: You can check your answers. You can view solutions when you complete or give up on any question. You can keep trying to answer each question until you get it right or give up. You lose 5% of the points available to each answer in your question for each incorrect attempt at that O eTextbook o Help With This Topic oweb Help& videos o Technical support and Bug Reports

Explanation / Answer

one mole of Li is 6.94 grams.

0.0864 moles of Li = x grams

x = 0.0864 * 6.94

= 0.5996 grams

one mole of Ni is 58.69 grams

0.550 moles = x

x = 0.550* 58.69 grams

x= 32.2795 grams

one mole of Ar is 39.94 grams

0.690 moles = x

x = .690* 39.94 grams

= 27.5586 grams

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