Free Printable REVISION STOIC

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REVISION STOIC

Total questions: 20

Worksheet time: 1hrs 3mins

Name

Class

Date

Calculate the Molar Mass of Na₃PO₄

257

220

164

How many moles are there in 12.7g of CaF₂?

0.20 mol

1,000.76 mol

6.14 mol

0.16 mol

What is the mass of 54.3x10⁴⁵atoms of BeO?

3.27x10⁷⁰ g

9.01 x10²²g

2.25 x10²⁴ g

1.31 x10⁶⁹g

Which conversion factor should be used for the following question " How many molecules are there in 4.00 moles of glucose, C₆H₁₂O₆?

1 mole = 78.12 g

1 mole = 22.4 L

1 mol = 6.02x 10²³ particles

more than one

How many moles of NaCl are present in a solution with a molarity of 8.59M and 125 mL of solution?

1.17 gram

62.7 mol

1.07 mol

62.7 grams

What is the molarity of 3 mole of hydrochloric acid in 3 L of water.

How many liters would you need to make a 1 M solution if you have 6 mol of Sodium Hydroxide?

What is the molarity of a solution made by adding 1.565 moles of PbNO₃ to 500 mL?

300. M

31.3 M

3.13 M

1.56 M

The units "M" can also be written as:

mol/L

moles

g/L

g/mol

10.

How many mL of stock solution of 2M NaCl do you need to prepare 100 mL of 0.150M NaCl?

7.5 mL

15 mL

1333 mL

200 mL

11.

Identify the limiting reagent when 6.00 g HCl combines with 5.00 g Mg to form MgCl₂.
a. Mg + 2HCl --> MgCl₂ + H₂
b. a. Mg + 2HCl --> MgCl₂ + H₂

H₂

MgCl₂

HCl

12.

Silver nitrate and sodium phosphate are reacted in equal amounts of 200 g each. How many grams of silver phosphate are produced?
3AgNO₃+ Na₃(PO₄) ---> Ag₃(PO₄) + 3NaNO₃

164 g

64 g

146 g

164 moles

13.

When 12 moles of O₂ reacts with 6 moles of C₁₀H₈, what is the limiting reactant?
1 C₁₀H₈ + 12 O₂ --> 10 CO₂ + 4 H₂O

Oxygen

C₁₀H₈

Water

Carbon Dioxide

14.

Consider the equation CaCl₂ + 2Na --> 2NaCl + Ca. How many moles of NaCl can be produced from 8 moles of CaCl₂?

15.

Consider the equation 2Al(OH)₃ --> Al₂O₃ + 3H₂O. How many moles of H₂O can be produced from 6 moles of Al(OH)₃?

16.

Balance the following equation:

___ SeCl₆+ ___ O₂→___ SeO_{2+____}Cl₂

1, 1, 1, 3

2, 1, 2, 1

1, 2, 1, 2

2, 2, 2, 4

17.

Balance this equation...
HgO --> 2Hg + O₂

It is balanced

2HgO --> Hg + O₂

2HgO --> 2Hg + O₂

I don't know...Oh well!

18.

At STP, 1 mol, or representative particles, of any gas occupies a volume of......................

24.4 dm3

44.2 dm3

22.4 dm3

19.

Standard temperature and pressure (STP) mean

A temperature of 0°C and a pressure of 101.3 kPa, or 1 atmosphere (atm).

A temperature of 100°C and a pressure of 101.3 kPa, or 1 atmosphere (atm).

A temperature of 0°K and a pressure of 10 atmosphere (atm).

20.

How many moles are in a 18 L tank of nitrogen gas?

0.9 moles

1 mole

0.8 moles

0.75 moles

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REVISION STOIC

Total questions: 20

Worksheet time: 1hrs 3mins

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