How many moles of mgcl2 are there in 312 g of the compound?

1 molecules of mgcl2 = 95.11

1 mole in 1 molecules of mgcl2 is 1/95.11= 0.010514

or total moles in 312 gm of mgcl2 is

0.010514*312

=3.280368 m

the truman doctrine was an american foreign policy whose stated purpose was to counter soviet geopolitical expansion during the cold war. it was announced to congress by president harry s. truman on march 12, 1947, and further developed on july 12, 1948, when he pledged to contain threats to greece and turkey.