If you have 20.82g of Lithium (Molar mass = 6.34gmol^-1), how many moles of Li is it?

number of moles = mass / molar massTherefore, n=20.82g/6.34gmol-1=3moles

SH
Answered by Sam H. Chemistry tutor

2633 Views

See similar Chemistry GCSE tutors

Related Chemistry GCSE answers

All answers ▸

Sodium hydroxide sol'n solution is poured into a beaker of hydrochloric acid which contains a thermometer showing room temperature. a) What is the name of the product produced? b) What type of reaction does the thermometer's temperature rise prove?


Calculate the atom economy of the following equation, assuming that KNO3 is the desired product. KOH + HNO3 ---> KNO3 + H2O (Mr of reactants and products, KOH - 56.1, HNO3 - 63.0, KNO3 - 101.1, H2O - 18.0)


What is an acid?


What are the differences between exothermic and endothermic reactions?


We're here to help

contact us iconContact usWhatsapp logoMessage us on Whatsapptelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

© MyTutorWeb Ltd 2013–2025

Terms & Conditions|Privacy Policy
Cookie Preferences