Find the number of representative particles

Reference no: EM13162152

find the number of representative particles in each substance a)3.00 mol Sn b)0.400 mol KCI c)7.50 mol SO2 d)4.80x103 mol NaI

Reference no: EM13162152

Questions Cloud

Is necessary to completely neutralize the excess acid : Exactly 500.00mL of 1.000M perchloric acid is used to dissolve 22.10g of the mineral malachite, Cu2CO3(OH)2 (molar mass=221.0g/mol). What volume of 1.000M sodium hydroxide, is necessary to completely neutralize the excess acid?

What is a budget constraint : What is a budget constraint? How does a budget constraint explain consumer choices when used in conjunction with indifference curves?

Explain reactions and subsequent : Find the ?H for the reaction below, given the following reactions and subsequent ?H values: Zn(s) + 1/8S8(s) + 2O2(g) ? ZnSO4(s) Zn(s) + 1/8S8(s) ? ZnS(s)

What can you infer about the atomic mass of the element : suppose new element with atomic number 120 is discovered.if some isotopes of this element have 122 nuetrons and some have 124 neutrons,what can you infer about the atomic mass of the element.

Find the number of representative particles : find the number of representative particles in each substance a)3.00 mol Sn b)0.400 mol KCI c)7.50 mol SO2 d)4.80x103 mol NaI

Find concentration of each ion present in the solution\ : Find concentration of each ion present in the solution formed by mixing: 44.0 mL of 0.150M Na2SO4 and 25.0 mL of 0.200M KCl.

What are the concentrations of hso4 : What are the concentrations of HSO4-, SO42-, and H+ in a 0.14 M KHSO4 solution? (Hint: H2SO4 is a strong acid; Ka for HSO4- = 1.3 10-2.)

What is the partial pressure of helium : A 255-mL flask contains pure helium at a pressure of 745 torr. A second flask with a volume of 455 mL contains pure argon at a pressure of 725 torr.If the two flasks are connected through a stopcock and the stopcock is opened, what is the partial ..

What is the percentage of the water was in the hydrate : a 5.0g sample of a hydrate of CaCl2 was heated, and only 4.3 g of the anhydrous salt remained. what is the percentage of the water was in the hydrate?

User Account

All Pages