conservation of mass Flashcards
1
Q
waht is the conservation of mass?
A
chemical reaction, the total of the mass of the products is equal to the total ,mass of the reactants.
2
Q
how is mass conserved?
A
no atoms are made or lost
3
Q
,wha is the relative formula for mass?
A
NaCl= 23+35.5= 58.5g/mol