Inorganic Chemistry Answers

molarity of a solution made by adding 750ml(.5M)Hcl with 250ml (2M)hcl

a sample of phosphorous has 0.5 moles of p4 atoms.calculate:-
(a)how many p atoms are there?
(b)how many moles of p atoms are there?

A student weighs 2.046 g Cu into a 250 mL beaker at the beginning of the experiment. At the end of the experiment 1.347 g Cu is recovered. Calculate the percent loss of Cu?

When a sample of copper oxide is heated in the presence of propane gas, c3h8, three products produce: Co2, H2o and Cu. Using the results below identify the formula of the oxide as copper 1 oxide or copper 11 oxide. Explain you answer by showing all calculations and discussing any laws necessary to support your answer.
Table looks like this:
Items: Masses:
Mass of empty test tube 20.15
Mass of test tube and copper(?) oxide 22.23
Mass of test tube and copper 21.76

wha mass of Ca(OH)2 is required to neutralize 50.00mL of 0.180 M HCl?

if 38.71 mL of 0.108M NaOH solution is required to titrate a 10.0-mL sample of an unknown H2SO4 solution, what is the molarity of the acid solution?

what volume of 1.50 M Na2CO3 solution can be prepared from 2.00g of solid Na2CO3?

How many grams would 3.37 x 10 22 atoms of sulfur be?

Hello- If calcium Hydroxide,Ca(OH) 2 is heated at a high temperature (microwaved) harmful if a small amout is ingested?

how to find in a solution that which component is solute and which component is solvent ...................e.g ......... solution made from 200g h20 and 222g of ethylene glycol