AM LOOKING FOR A HEMISTRY TUTOR. CAN ANYONE HELP? GRADE 11 IGCSE
PLZZZ HELP MY EXAM IS IN 3 MONTHS

100mg magnesium reacts with 20ml of 1.0m hcl

How many moles of lead are in 1.50 x 10^12 atoms of lead? could you explain the answer as well and not just give it to me i am refreshing for finals and i need to know how to do it

Which aqueous solution of ki freezes at the lowest temperature? 1) 1 mol of ki in 500. g of water 2) 2 mol of ki in 500. g of water 3) 1 mol of ki in 1000. g of water 4) 2 mol of ki in 1000. g of water