SAT Practice Quiz

Question 1

55.0 mL 0.325 M barium hydroxide neutralizes 100.0 mL solution of nitric acid. Find the concentration of the nitric acid

Accepted Answer

0.358 M

Question 2

Group 1 used 0.75 M H2SO4 & group 2 used 49 g/L H2SO4 solutions for titration. Which one is the stronger concentration

Accepted Answer

Group 1

Question 3

What is the percentage composition of H in CH3OH?

Accepted Answer

12.5%

Question 4

What is the molar mass of N2O5?

Accepted Answer

108 g/mol

Question 5

0.25 M NaCl prepared from 0.50 M to a final volume of 1.00 x 102 mL. How much water was added?

Accepted Answer

50 mL

Question 6

What is the mass of 0.50 moles of lead (II) oxide?

Accepted Answer

111.6 g/mol

Question 7

How many oxygen atoms are present in 0.025 mol of Na2Co3?

Accepted Answer

4.5x1022 atoms

Question 8

Which one limiting reactant 5mol CH3OH reacts with 6mol O2 2CH3OH(g) + 3O2 (g) → 2CO2 (g) + 4H2O(g)

Accepted Answer

O2

Question 9

If 10.00 mol of Ni2O3 is decomposed to form 2.80 x 102 g of Ni, what is the percentage yield of Ni?

Accepted Answer

23.9 %

Question 10

xNa3PO4+yCaCl2→Ca3(PO4)2+wNaCl ?

Accepted Answer

x = 2, y = 3 and w = 6

Questions 10