Answered

Discover the answers you need at Westonci.ca, where experts provide clear and concise information on various topics. Ask your questions and receive accurate answers from professionals with extensive experience in various fields on our platform. Our platform offers a seamless experience for finding reliable answers from a network of knowledgeable professionals.

Hi guys can someone help please I didn’t this three time already but I still got it wrong can someone please give me the answers or examples

Hi Guys Can Someone Help Please I Didnt This Three Time Already But I Still Got It Wrong Can Someone Please Give Me The Answers Or Examples class=

Sagot :

Ankit

Answer:

━━━━━━━━━━━━━━━━━━━━━━━━

Q.21 7.53*10²² atoms of O2 = 0.125 moles of O2

mass of one mole O2 = 16 grams

mass of 0.125 mole O2 = 2 grams

━━━━━━━━━━━━━━━━━━━━━━━━

Q.22 2.32*10²³ formula units of Al2(SO4)3 = 0.385 moles of Al2(SO4)3

mass of one mole Al2(SO4)3 = 342.15 grams

mass of 0.385 mole Al2(SO4)3 = 131.79 grams

━━━━━━━━━━━━━━━━━━━━━━━━

Q.23 1.50*10²² atoms of AgNO3 = 0.025 moles of AgNO3

mass of one mole AgNO3 = 169.87 grams

mass of 0.125 mole AgNO3 = 4.23 grams

━━━━━━━━━━━━━━━━━━━━━━━━

Q.24 2.55*10²² atoms of CaCO3 = 0.042 moles of CaCO3

mass of one mole CaCO3 = 100 grams

mass of 0.125 mole CaCO3 = 4.23 grams

━━━━━━━━━━━━━━━━━━━━━━━━

Thanks for joining brainly community!

We appreciate your visit. Hopefully, the answers you found were beneficial. Don't hesitate to come back for more information. Thank you for visiting. Our goal is to provide the most accurate answers for all your informational needs. Come back soon. We're glad you visited Westonci.ca. Return anytime for updated answers from our knowledgeable team.