3 years ago

8. Calculate the percentage composition of sodium nitrate, NaNO3.

Chemistry

1 answer:

Salsk061 [2.6K]3 years ago

7 0

Answer:

27.06%

Explanation:

First let us calculate the molar mass of NaNO3. This is illustrated below:

MM of NaNO3 = 23 + 14 + (16x3) = 23 + 14 + 48 = 85g/mol

Now, we see that NaNO3 contains 1atom of Na.

Therefore the percentage composition of Na in NaNO3 is given by:

(23/85) x 100 = 27.06%

You might be interested in

Speed is the rate of change of position expressed as _____ traveled per unit of time. A. direction B. meter C. displacement D. d

STatiana [176]

Answer:

Distance

Explanation:

7 0

3 years ago

What evidence from the experiment shows that conduction occurred? In your answer, be sure to include the materials involved in t

velikii [3]

Answer:

Explanation:

The melting of the chocolate pieces one by one showed that it was caused by heat flowing through the foil bridge. The transfer of heat happened between the foil bridge and the chocolate pieces because they were touching each other.

5 0

3 years ago

Read 2 more answers

What starting matirials do cells need for cellular respiration

lawyer [7]

Oxygen and glucose and energy. <span />

3 0

4 years ago

In which type of chemical reaction do two or more substances combine to form one substance?

Stella [2.4K]

A) synthesis reaction

7 0

4 years ago

Read 2 more answers

The least electronegative element from among the following is

Anettt [7]

The most appropriate answer is C !! Cs is most electropositive and thus least electronegative !!

8 0

4 years ago

Read 2 more answers