twynna

How many grams are there in 2 moles of sodium?

14 years ago

What is the percentage composition of nitrogen in silver nitrate?

14 years ago

Do 65 grams of oxygen and 44 grams of carbon contain equal number of atoms? Calculate the number of atoms?

14 years ago

What is the name of the following compounds? A)CO B)HCI2O

14 years ago

How many grams are there in 2 moles of each of the following? A)Xe2 B)C6H12O6 C)CH3COOMg

14 years ago

Calculate the number of moles and atoms. A)64 gm of O2 B)58.9gm of CI C)90.5gm of (NH4)2SO4 D)243gm of Mg2 Please help i have NO CLUE HOW TO DO THIS THANKS!!!

14 years ago

A sample of helium gas has a volume of 325l at 25c and at 5atm. At what temperature the gas can be compressed at 50atm to a volume of 125L?

14 years ago

The volume of a gas is 435ml at 25c and at 740mmHg.What would be its new volume at STP?

14 years ago

How many moles of argon gas are present in 70l of volume with a pressure of 280atm at 21c?

14 years ago

what is the % mass/volume (%W/V)of KOH in 60ml of a solution that contains 5gn of KOH?

14 years ago

How many grams of NaOH are there in 2.5L of a 0.343M solution?

14 years ago

Calculate the formula mass of each of the following compounds: A)H2O3 B)AI2I6 C)C10H22 D)C6H8O6 E)K2CR2O7 F)C56H88O2

14 years ago

Calculate the percentages of C,H,and O in C24H44O22.

14 years ago

Calculate the empirical formula of each compound from the mass-composition data given below. A)41%N and 59%O B)45%Na,23%P and 32%O

14 years ago

Calculate the number of moles and atoms. A)64 gm of O2 B)58.9 gm of CI C)90.5gm of (HN4)2SO4 D)243gm of Mg2

14 years ago

Calculate the number of grams in each of the following: A)0.5 moles of F2 B)10.25 moles of H2 C)11.3 moles of BaSO4

14 years ago

what volume of a 0.34M MgCI2, solution is required to make 250ml of a 0.10M solution by dilution?

14 years ago

What is the molar concentration of calcium hydroxide that has 0.185g solute in 100ml solution?

14 years ago

Concentrated nitric acid is 16M. What volume of nitric acid must be diluted with distilled water to prepare 5L of 0.1M nitric acid?

14 years ago

Complete, Balance and classify the chemical reaction....please help do not understand A)Li(s)+AuCL3(aq)-> B)AL(NO3)(aq)+K2CO3(ag)-> C)Ba(s)+F2(g)-> D)SnCI2(aq)+Na3PO4(aq)-> E)Na+AICI3(s)->

14 years ago

Calculate the number of atoms in each of the following. A)1.50g potassium B)0.470g of oxygen C)0.555g of silver chlorate,AgCIO3 D)7.57 of platinum please help i do not understand this

14 years ago

Can you show me how to work this out. Or give me an example. Please and Thanks

14 years ago