1		2	3	4
		g/mol	mol	ml	g		M1
	Se cere:	Se cere:	Se dă:	Se dă:	Se dă:
Ex.	Formula	M	cM	Vs	md		1000 ml soluţie ………………………….cM ·M
Ex.1	H2SO4	98	1	2000	196		Vs ml soluţie…………………………………..md		formula 1
Ex.2	NaOH	40	1	2000	80
Ex.3	HNO3	63	2	1000	126		M  = ? g/mol
Ex.4	HCl	36.5	0.2	1000	7.3
Ex.5	HCl	36.5	1	1000	36.5		Calcule:
Ex.6	KOH	56	2	1000	112
Ex.7	HNO3	63	0.5	1000	31.5		M = 1000 · md / cM·Vs		formula 1
Ex.8	KOH	56	0.05	1000	2.8
Ex.9	NaOH	40	0.2	2000	16
Ex.10	H2SO4	98	0.1	500	4.9