cocoschoco cocoschoco

17-12-2022
Chemistry

contestada

M/J 09/P1/Q1
In leaded petrol there is
an additive composed of lead, carbon and hydrogen only. This compound contains
29.7% carbon and 6.19% hydrogen by mass.
What is the value of x in the empirical formula PbC₂Hx?
A 5
B 6
C 16
D 20

Respuesta :

Otras preguntas

Peter sells cards in packs of 12 and envelopes in packs of 27. If Martha wants the same number of each, what is the minimum number of cards that she will have t

Ratio of two volume cylinders (Geometry)If two similar cylinders have heights of 75cm and 25cm. What is the ratio of the volume of the larger cylind

Peter sells cards in packs of 12 and envelopes in packs of 27. If Martha wants the same number of each, what is the minimum number of cards that she will have t

What type of current is found on the west side of South America?

A ski club with 28 members went on a ski trip. some members rented skis and the rest rented snowboards. if skis rent for $16.00 a day and snowboards rent for $1

which country/countries have a green tree on their flag

Give an example of a relation that is NOT a function and explain why it is not a function. I do not understand how to do this...please help its algebra.

Lee needed to make drapes the length from the floor to the top of the window. The wall beneath the window had the height of 2 2/3 feet and the height of just th

What is the pendulum length whose period is 2.0s ?

Can you please take a look at these 3 problems? 1. A carpentry shop makes dinner tables and coffee tables. Each week the shop must complete at least 9 dinner ta

RELAXING NOICE