2/3 + 1/6 + 1/6 =
fifty-five - 55
23 plus 16 plus 16 equals 55. This is an addition equation and addition is a math operation that represents the total sum of objects in a collection.
Na2S2O3 That's 2 sodiums at 23 each, 2 sulfurs at 32 each, and 3 oxygens at 16 each. 23+23+32+32+16+16+16=158g/mol.
7
16 * 23 = 368
27.3 reucuring (33333333333333)
23 + 16 + 16 = 55
-39
23% = 23/100 so it is 16 23/100
1.4375
30
23