HChem Chapter 7 Flashcardizz - Formulas

HChem Chapter 7 Flashcardizz - Formulas

Assessment

Flashcard

Chemistry

10th - 12th Grade

Hard

Created by

Wayground Content

FREE Resource

Student preview

quiz-placeholder

15 questions

Show all answers

1.

FLASHCARD QUESTION

Front

What is the correct name for the compound with the formula (NH₄)₃PO₄?

Back

Ammonium Phosphate

2.

FLASHCARD QUESTION

Front

What is the empirical formula of a compound that is 18.8% sodium, 29.0% chlorine, and 52.2% oxygen?

Back

NaClO₄

3.

FLASHCARD QUESTION

Front

How do you determine the molecular formula from the empirical formula CH₂O and a molecular molar mass of 180.18?

Back

The molecular formula is C₆H₁₂O₆.

4.

FLASHCARD QUESTION

Front

What is the percent by mass of hydrogen in (NH₄)₃PO₄?

Back

8%.

5.

FLASHCARD QUESTION

Front

What is the oxidation state of chlorine in ClO⁻?

Back

+1.

6.

FLASHCARD QUESTION

Front

What is the definition of an empirical formula?

Back

An empirical formula represents the simplest whole-number ratio of atoms in a compound.

7.

FLASHCARD QUESTION

Front

How do you calculate percent by mass of an element in a compound?

Back

Percent by mass = (mass of element in 1 mole of compound / molar mass of compound) × 100.

Create a free account and access millions of resources

Create resources

Host any resource

Get auto-graded reports

Google

Continue with Google

Email

Continue with Email

Classlink

Continue with Classlink

Clever

Continue with Clever

or continue with

Microsoft

Microsoft

Apple

Apple

Others

Others

By signing up, you agree to our Terms of Service & Privacy Policy

Already have an account?